3. RTEMS Complete Profile

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

3.1. Summary

The follow table summarizes RTEMS supported methods for all tracked standards:

Supported

999

ENOSYS

19

Not supported

216

3.2. <aio.h>

The following methods and variables in <aio.h> are supported:

  • aio_cancel()

  • aio_error()

  • aio_fsync()

  • aio_read()

  • aio_return()

  • aio_write()

The following methods in <aio.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • aio_suspend()

  • lio_listio()

3.3. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_addr()

  • inet_ntoa()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

3.4. <assert.h>

The following methods and variables in <assert.h> are supported:

  • assert()

3.5. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

3.6. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • _tolower()

  • _toupper()

  • isalnum()

  • isalnum_l()

  • isalpha()

  • isalpha_l()

  • isascii()

  • isblank()

  • isblank_l()

  • iscntrl()

  • iscntrl_l()

  • isdigit()

  • isdigit_l()

  • isgraph()

  • isgraph_l()

  • islower()

  • islower_l()

  • isprint()

  • isprint_l()

  • ispunct()

  • ispunct_l()

  • isspace()

  • isspace_l()

  • isupper()

  • isupper_l()

  • isxdigit()

  • isxdigit_l()

  • toascii()

  • tolower()

  • tolower_l()

  • toupper()

  • toupper_l()

3.7. <devctl.h>

The following methods and variables in <devctl.h> are supported:

  • posix_devctl()

3.8. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • alphasort()

  • closedir()

  • fdopendir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

  • scandir()

  • seekdir()

  • telldir()

The following methods and variables in <dirent.h> are not supported:

  • dirfd()

3.9. <dlfcn.h>

The following methods and variables in <dlfcn.h> are supported:

  • dlclose()

  • dlerror()

  • dlopen()

  • dlsym()

3.10. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

3.11. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

The following methods and variables in <fcntl.h> are not supported:

  • openat()

  • posix_fadvise()

  • posix_fallocate()

  • posix_openpt()

3.12. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

3.13. <fmtmsg.h>

The following methods and variables in <fmtmsg.h> are not supported:

  • fmtmsg()

3.14. <fnmatch.h>

The following methods and variables in <fnmatch.h> are supported:

  • fnmatch()

3.15. <ftw.h>

The following methods and variables in <ftw.h> are not supported:

  • ftw()

  • nftw()

3.16. <glob.h>

The following methods and variables in <glob.h> are supported:

  • glob()

  • globfree()

3.17. <grp.h>

The following methods and variables in <grp.h> are supported:

  • endgrent()

  • getgrent()

  • getgrgid()

  • getgrgid_r()

  • getgrnam()

  • getgrnam_r()

  • setgrent()

3.18. <iconv.h>

The following methods and variables in <iconv.h> are supported:

  • iconv()

  • iconv_close()

  • iconv_open()

3.19. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

  • wcstoimax()

  • wcstoumax()

3.20. <langinfo.h>

The following methods and variables in <langinfo.h> are supported:

  • nl_langinfo()

  • nl_langinfo_l()

3.21. <libgen.h>

The following methods and variables in <libgen.h> are supported:

  • basename()

  • dirname()

3.22. <locale.h>

The following methods and variables in <locale.h> are supported:

  • duplocale()

  • freelocale()

  • localeconv()

  • newlocale()

  • setlocale()

  • uselocale()

3.23. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalb()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • j0()

  • j1()

  • jn()

  • nexttowardf()

  • signbit()

  • signgam

  • y0()

  • y1()

  • yn()

3.24. <monetary.h>

The following methods and variables in <monetary.h> are not supported:

  • strfmon()

  • strfmon_l()

3.25. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_close()

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

  • mq_unlink()

3.26. <ndbm.h>

The following methods and variables in <ndbm.h> are supported:

  • dbm_clearerr()

  • dbm_close()

  • dbm_delete()

  • dbm_error()

  • dbm_fetch()

  • dbm_firstkey()

  • dbm_nextkey()

  • dbm_open()

  • dbm_store()

3.27. <net/if.h>

The following methods and variables in <net/if.h> are supported:

  • if_freenameindex()

  • if_indextoname()

  • if_nameindex()

  • if_nametoindex()

3.28. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • endhostent()

  • endnetent()

  • endprotoent()

  • endservent()

  • freeaddrinfo()

  • gai_strerror()

  • getaddrinfo()

  • gethostbyaddr()

  • gethostbyname()

  • gethostent()

  • getnameinfo()

  • getnetbyaddr()

  • getnetbyname()

  • getnetent()

  • getprotobyname()

  • getprotobynumber()

  • getprotoent()

  • getservbyname()

  • getservbyport()

  • getservent()

  • h_errno

  • sethostent()

  • setnetent()

  • setprotoent()

  • setservent()

3.29. <nl_types.h>

The following methods and variables in <nl_types.h> are not supported:

  • catclose()

  • catgets()

  • catopen()

3.30. <poll.h>

The following methods and variables in <poll.h> are not supported:

  • poll()

3.31. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstackaddr()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstackaddr()

  • pthread_attr_setstacksize()

  • pthread_barrier_destroy()

  • pthread_barrier_init()

  • pthread_barrier_wait()

  • pthread_barrierattr_destroy()

  • pthread_barrierattr_getpshared()

  • pthread_barrierattr_init()

  • pthread_barrierattr_setpshared()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_getpshared()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_condattr_setpshared()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_setpshared()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_rwlock_destroy()

  • pthread_rwlock_init()

  • pthread_rwlock_rdlock()

  • pthread_rwlock_timedrdlock()

  • pthread_rwlock_timedwrlock()

  • pthread_rwlock_tryrdlock()

  • pthread_rwlock_trywrlock()

  • pthread_rwlock_unlock()

  • pthread_rwlock_wrlock()

  • pthread_rwlockattr_destroy()

  • pthread_rwlockattr_getpshared()

  • pthread_rwlockattr_init()

  • pthread_rwlockattr_setpshared()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

  • pthread_spin_destroy()

  • pthread_spin_init()

  • pthread_spin_lock()

  • pthread_spin_trylock()

  • pthread_spin_unlock()

  • pthread_testcancel()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

The following methods and variables in <pthread.h> are not supported:

  • pthread_mutex_consistent()

  • pthread_mutexattr_getrobust()

  • pthread_mutexattr_setrobust()

3.32. <pwd.h>

The following methods and variables in <pwd.h> are supported:

  • endpwent()

  • getpwent()

  • getpwnam()

  • getpwnam_r()

  • getpwuid()

  • getpwuid_r()

  • setpwent()

3.33. <regex.h>

The following methods and variables in <regex.h> are supported:

  • regcomp()

  • regerror()

  • regexec()

  • regfree()

3.34. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

  • sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • sched_getparam()

  • sched_getscheduler()

  • sched_setparam()

  • sched_setscheduler()

3.35. <search.h>

The following methods and variables in <search.h> are supported:

  • hcreate()

  • hdestroy()

  • hsearch()

  • tdelete()

  • tfind()

  • tsearch()

  • twalk()

The following methods and variables in <search.h> are not supported:

  • insque()

  • lfind()

  • lsearch()

  • remque()

3.36. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

3.37. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

  • siglongjmp()

  • sigsetjmp()

The following methods and variables in <setjmp.h> are not supported:

  • _longjmp()

  • _setjmp()

3.38. <signal.h>

The following methods and variables in <signal.h> are supported:

  • bsd_signal()

  • kill()

  • psignal()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

The following methods and variables in <signal.h> are not supported:

  • killpg()

  • psiginfo()

  • sigaltstack()

  • sighold()

  • sigignore()

  • siginterrupt()

  • sigpause()

  • sigrelse()

  • sigset()

3.39. <spawn.h>

The following methods and variables in <spawn.h> are not supported:

  • posix_spawn()

  • posix_spawn_file_actions_addclose()

  • posix_spawn_file_actions_adddup2()

  • posix_spawn_file_actions_addopen()

  • posix_spawn_file_actions_destroy()

  • posix_spawn_file_actions_init()

  • posix_spawnattr_destroy()

  • posix_spawnattr_getflags()

  • posix_spawnattr_getpgroup()

  • posix_spawnattr_getschedparam()

  • posix_spawnattr_getschedpolicy()

  • posix_spawnattr_getsigdefault()

  • posix_spawnattr_getsigmask()

  • posix_spawnattr_init()

  • posix_spawnattr_setflags()

  • posix_spawnattr_setpgroup()

  • posix_spawnattr_setschedparam()

  • posix_spawnattr_setschedpolicy()

  • posix_spawnattr_setsigdefault()

  • posix_spawnattr_setsigmask()

  • posix_spawnp()

3.40. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

3.41. <stddef.h>

The following methods and variables in <stddef.h> are supported:

  • offsetof()

3.42. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • ctermid()

  • dprintf()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fileno()

  • flockfile()

  • fmemopen()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • fsetpos()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • gets()

  • open_memstream()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tempnam()

  • tmpfile()

  • tmpnam()

  • ungetc()

  • vdprintf()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

The following methods and variables in <stdio.h> are not supported:

  • getdelim()

  • getline()

  • pclose()

  • popen()

  • renameat()

3.43. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • a64l()

  • abort()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • drand48()

  • ecvt()

  • erand48()

  • exit()

  • fcvt()

  • free()

  • gcvt()

  • getenv()

  • getsubopt()

  • jrand48()

  • l64a()

  • labs()

  • lcong48()

  • ldiv()

  • llabs()

  • lldiv()

  • lrand48()

  • malloc()

  • mblen()

  • mbstowcs()

  • mbtowc()

  • mkdtemp()

  • mkstemp()

  • mrand48()

  • nrand48()

  • posix_memalign()

  • putenv()

  • qsort()

  • rand()

  • rand_r()

  • random()

  • realloc()

  • realpath()

  • seed48()

  • setenv()

  • srand()

  • srand48()

  • srandom()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

  • wcstombs()

  • wctomb()

The following methods in <stdlib.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • system()

The following methods and variables in <stdlib.h> are not supported:

  • grantpt()

  • initstate()

  • ptsname()

  • setkey()

  • setstate()

  • unlockpt()

3.44. <string.h>

The following methods and variables in <string.h> are supported:

  • memccpy()

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • stpcpy()

  • stpncpy()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcoll_l()

  • strcpy()

  • strcspn()

  • strdup()

  • strerror()

  • strerror_l()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strndup()

  • strnlen()

  • strpbrk()

  • strrchr()

  • strsignal()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

  • strxfrm_l()

3.45. <strings.h>

The following methods and variables in <strings.h> are supported:

  • bcmp()

  • bcopy()

  • ffs()

  • index()

  • rindex()

  • strcasecmp()

  • strcasecmp_l()

  • strncasecmp()

  • strncasecmp_l()

3.46. <stropts.h>

The following methods and variables in <stropts.h> are supported:

  • ioctl()

The following methods and variables in <stropts.h> are not supported:

  • fattach()

  • fdetach()

  • getmsg()

  • getpmsg()

  • isastream()

  • putmsg()

  • putpmsg()

3.47. <sys/ipc.h>

The following methods and variables in <sys/ipc.h> are not supported:

  • ftok()

3.48. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • mprotect()

  • msync()

  • munlock()

  • munlockall()

  • munmap()

  • posix_madvise()

  • shm_open()

  • shm_unlink()

The following methods and variables in <sys/mman.h> are not supported:

  • posix_mem_offset()

  • posix_typed_mem_get_info()

  • posix_typed_mem_open()

3.49. <sys/msg.h>

The following methods and variables in <sys/msg.h> are not supported:

  • msgctl()

  • msgget()

  • msgrcv()

  • msgsnd()

3.50. <sys/resource.h>

The following methods and variables in <sys/resource.h> are supported:

  • getrusage()

The following methods and variables in <sys/resource.h> are not supported:

  • getpriority()

  • getrlimit()

  • setpriority()

  • setrlimit()

3.51. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

The following methods and variables in <sys/select.h> are not supported:

  • pselect()

3.52. <sys/sem.h>

The following methods and variables in <sys/sem.h> are not supported:

  • semctl()

  • semget()

  • semop()

3.53. <sys/shm.h>

The following methods and variables in <sys/shm.h> are not supported:

  • shmat()

  • shmctl()

  • shmdt()

  • shmget()

3.54. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • recvmsg()

  • send()

  • sendmsg()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

  • socketpair()

The following methods and variables in <sys/socket.h> are not supported:

  • sockatmark()

3.55. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • chmod()

  • fchmod()

  • fstat()

  • lstat()

  • mkdir()

  • mkfifo()

  • mknod()

  • stat()

  • umask()

The following methods and variables in <sys/stat.h> are not supported:

  • fchmodat()

  • fstatat()

  • futimens()

  • mkdirat()

  • mkfifoat()

  • mknodat()

  • utimensat()

3.56. <sys/statvfs.h>

The following methods and variables in <sys/statvfs.h> are supported:

  • statvfs()

The following methods and variables in <sys/statvfs.h> are not supported:

  • fstatvfs()

3.57. <sys/time.h>

The following methods and variables in <sys/time.h> are supported:

  • gettimeofday()

  • times()

  • utimes()

The following methods in <sys/time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • getitimer()

  • setitimer()

3.58. <sys/uio.h>

The following methods and variables in <sys/uio.h> are supported:

  • readv()

  • writev()

3.59. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

3.60. <sys/wait.h>

The following methods and variables in <sys/wait.h> are supported:

  • wait()

  • waitpid()

The following methods and variables in <sys/wait.h> are not supported:

  • waitid()

3.61. <syslog.h>

The following methods and variables in <syslog.h> are not supported:

  • closelog()

  • openlog()

  • setlogmask()

  • syslog()

3.62. <termios.h>

The following methods and variables in <termios.h> are supported:

  • cfgetispeed()

  • cfgetospeed()

  • cfsetispeed()

  • cfsetospeed()

  • tcdrain()

  • tcflow()

  • tcflush()

  • tcgetattr()

  • tcsendbreak()

  • tcsetattr()

The following methods and variables in <termios.h> are not supported:

  • tcgetsid()

3.63. <threads.h>

The following methods and variables in <threads.h> are supported:

  • call_once()

  • cnd_broadcast()

  • cnd_destroy()

  • cnd_init()

  • cnd_signal()

  • cnd_timedwait()

  • cnd_wait()

  • mtx_destroy()

  • mtx_init()

  • mtx_lock()

  • mtx_timedlock()

  • mtx_trylock()

  • mtx_unlock()

  • thrd_create()

  • thrd_current()

  • thrd_detach()

  • thrd_equal()

  • thrd_exit()

  • thrd_join()

  • thrd_sleep()

  • thrd_yield()

  • tss_create()

  • tss_delete()

  • tss_get()

  • tss_set()

3.64. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • asctime_r()

  • clock()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime()

  • ctime_r()

  • difftime()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • strftime_l()

  • strptime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • timezone

  • tzname

  • tzset()

The following methods in <time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • clock_getcpuclockid()

The following methods and variables in <time.h> are not supported:

  • daylight

  • getdate()

  • getdate_err

3.65. <trace.h>

The following methods and variables in <trace.h> are not supported:

  • posix_trace_attr_destroy()

  • posix_trace_attr_getclockres()

  • posix_trace_attr_getcreatetime()

  • posix_trace_attr_getgenversion()

  • posix_trace_attr_getinherited()

  • posix_trace_attr_getlogfullpolicy()

  • posix_trace_attr_getlogsize()

  • posix_trace_attr_getmaxdatasize()

  • posix_trace_attr_getmaxsystemeventsize()

  • posix_trace_attr_getmaxusereventsize()

  • posix_trace_attr_getname()

  • posix_trace_attr_getstreamfullpolicy()

  • posix_trace_attr_getstreamsize()

  • posix_trace_attr_init()

  • posix_trace_attr_setinherited()

  • posix_trace_attr_setlogfullpolicy()

  • posix_trace_attr_setlogsize()

  • posix_trace_attr_setmaxdatasize()

  • posix_trace_attr_setname()

  • posix_trace_attr_setstreamfullpolicy()

  • posix_trace_attr_setstreamsize()

  • posix_trace_clear()

  • posix_trace_close()

  • posix_trace_create()

  • posix_trace_create_withlog()

  • posix_trace_event()

  • posix_trace_eventid_equal()

  • posix_trace_eventid_get_name()

  • posix_trace_eventid_open()

  • posix_trace_eventset_add()

  • posix_trace_eventset_del()

  • posix_trace_eventset_empty()

  • posix_trace_eventset_fill()

  • posix_trace_eventset_ismember()

  • posix_trace_eventtypelist_getnext_id()

  • posix_trace_eventtypelist_rewind()

  • posix_trace_flush()

  • posix_trace_get_attr()

  • posix_trace_get_filter()

  • posix_trace_get_status()

  • posix_trace_getnext_event()

  • posix_trace_open()

  • posix_trace_rewind()

  • posix_trace_set_filter()

  • posix_trace_shutdown()

  • posix_trace_start()

  • posix_trace_stop()

  • posix_trace_timedgetnext_event()

  • posix_trace_trid_eventid_open()

  • posix_trace_trygetnext_event()

3.66. <ulimit.h>

The following methods and variables in <ulimit.h> are not supported:

  • ulimit()

3.67. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • _exit()

  • access()

  • alarm()

  • chdir()

  • chown()

  • close()

  • dup()

  • dup2()

  • environ

  • fchdir()

  • fchown()

  • fdatasync()

  • fpathconf()

  • fsync()

  • ftruncate()

  • getcwd()

  • getegid()

  • geteuid()

  • getgid()

  • getgroups()

  • gethostname()

  • getlogin()

  • getlogin_r()

  • getopt()

  • getpgrp()

  • getpid()

  • getppid()

  • getuid()

  • isatty()

  • lchown()

  • link()

  • lseek()

  • optarg

  • opterr

  • optind

  • optopt

  • pathconf()

  • pause()

  • pipe()

  • pread()

  • pwrite()

  • read()

  • readlink()

  • rmdir()

  • setegid()

  • seteuid()

  • setgid()

  • setpgid()

  • setsid()

  • setuid()

  • sleep()

  • swab()

  • symlink()

  • sync()

  • sysconf()

  • tcgetpgrp()

  • tcsetpgrp()

  • truncate()

  • ttyname()

  • ttyname_r()

  • ualarm()

  • unlink()

  • usleep()

  • write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • execl()

  • execle()

  • execlp()

  • execv()

  • execve()

  • execvp()

  • fork()

The following methods and variables in <unistd.h> are not supported:

  • confstr()

  • crypt()

  • encrypt()

  • faccessat()

  • fchownat()

  • fexecve()

  • gethostid()

  • getpgid()

  • getsid()

  • linkat()

  • lockf()

  • nice()

  • readlinkat()

  • setpgrp()

  • setregid()

  • setreuid()

  • symlinkat()

  • unlinkat()

3.68. <utime.h>

The following methods and variables in <utime.h> are supported:

  • utime()

3.69. <utmpx.h>

The following methods and variables in <utmpx.h> are not supported:

  • endutxent()

  • getutxent()

  • getutxid()

  • getutxline()

  • pututxline()

  • setutxent()

3.70. <wchar.h>

The following methods and variables in <wchar.h> are supported:

  • btowc()

  • fgetwc()

  • fgetws()

  • fputwc()

  • fputws()

  • fwide()

  • fwprintf()

  • fwscanf()

  • getwc()

  • getwchar()

  • mbrlen()

  • mbrtowc()

  • mbsinit()

  • mbsnrtowcs()

  • mbsrtowcs()

  • open_wmemstream()

  • putwc()

  • putwchar()

  • swprintf()

  • swscanf()

  • ungetwc()

  • vfwprintf()

  • vfwscanf()

  • vswprintf()

  • vswscanf()

  • vwprintf()

  • vwscanf()

  • wcpcpy()

  • wcpncpy()

  • wcrtomb()

  • wcscasecmp()

  • wcscasecmp_l()

  • wcscat()

  • wcschr()

  • wcscmp()

  • wcscoll()

  • wcscoll_l()

  • wcscpy()

  • wcscspn()

  • wcsdup()

  • wcsftime()

  • wcslen()

  • wcsncasecmp()

  • wcsncat()

  • wcsncmp()

  • wcsncpy()

  • wcsnlen()

  • wcsnrtombs()

  • wcspbrk()

  • wcsrchr()

  • wcsrtombs()

  • wcsspn()

  • wcsstr()

  • wcstod()

  • wcstof()

  • wcstok()

  • wcstol()

  • wcstold()

  • wcstoll()

  • wcstoul()

  • wcstoull()

  • wcswidth()

  • wcsxfrm()

  • wcsxfrm_l()

  • wctob()

  • wcwidth()

  • wmemchr()

  • wmemcmp()

  • wmemcpy()

  • wmemmove()

  • wmemset()

  • wprintf()

  • wscanf()

The following methods and variables in <wchar.h> are not supported:

  • wcsncasemcp_l()

3.71. <wctype.h>

The following methods and variables in <wctype.h> are supported:

  • iswalnum()

  • iswalnum_l()

  • iswalpha()

  • iswalpha_l()

  • iswblank()

  • iswblank_l()

  • iswcntrl()

  • iswcntrl_l()

  • iswctype()

  • iswctype_l()

  • iswdigit()

  • iswdigit_l()

  • iswgraph()

  • iswgraph_l()

  • iswlower()

  • iswlower_l()

  • iswprint()

  • iswprint_l()

  • iswpunct()

  • iswpunct_l()

  • iswspace()

  • iswspace_l()

  • iswupper()

  • iswupper_l()

  • iswxdigit()

  • iswxdigit_l()

  • towctrans()

  • towctrans_l()

  • towlower()

  • towlower_l()

  • towupper()

  • towupper_l()

  • wctrans()

  • wctrans_l()

  • wctype()

  • wctype_l()

3.72. <wordexp.h>

The following methods and variables in <wordexp.h> are not supported:

  • wordexp()

  • wordfree()

4. POSIX-2008

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

4.1. Summary

The follow table summarizes alignment with the POSIX-2008 standard:

Supported

959

ENOSYS

19

Not supported

216

4.2. <aio.h>

The following methods and variables in <aio.h> are supported:

  • aio_cancel()

  • aio_error()

  • aio_fsync()

  • aio_read()

  • aio_return()

  • aio_write()

The following methods in <aio.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • aio_suspend()

  • lio_listio()

4.3. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_addr()

  • inet_ntoa()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

4.4. <assert.h>

The following methods and variables in <assert.h> are supported:

  • assert()

4.5. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

4.6. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • _tolower()

  • _toupper()

  • isalnum()

  • isalnum_l()

  • isalpha()

  • isalpha_l()

  • isascii()

  • isblank()

  • isblank_l()

  • iscntrl()

  • iscntrl_l()

  • isdigit()

  • isdigit_l()

  • isgraph()

  • isgraph_l()

  • islower()

  • islower_l()

  • isprint()

  • isprint_l()

  • ispunct()

  • ispunct_l()

  • isspace()

  • isspace_l()

  • isupper()

  • isupper_l()

  • isxdigit()

  • isxdigit_l()

  • toascii()

  • tolower()

  • tolower_l()

  • toupper()

  • toupper_l()

4.7. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • alphasort()

  • closedir()

  • fdopendir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

  • scandir()

  • seekdir()

  • telldir()

The following methods and variables in <dirent.h> are not supported:

  • dirfd()

4.8. <dlfcn.h>

The following methods and variables in <dlfcn.h> are supported:

  • dlclose()

  • dlerror()

  • dlopen()

  • dlsym()

4.9. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

4.10. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

The following methods and variables in <fcntl.h> are not supported:

  • openat()

  • posix_fadvise()

  • posix_fallocate()

  • posix_openpt()

4.11. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

4.12. <fmtmsg.h>

The following methods and variables in <fmtmsg.h> are not supported:

  • fmtmsg()

4.13. <fnmatch.h>

The following methods and variables in <fnmatch.h> are supported:

  • fnmatch()

4.14. <ftw.h>

The following methods and variables in <ftw.h> are not supported:

  • ftw()

  • nftw()

4.15. <glob.h>

The following methods and variables in <glob.h> are supported:

  • glob()

  • globfree()

4.16. <grp.h>

The following methods and variables in <grp.h> are supported:

  • endgrent()

  • getgrent()

  • getgrgid()

  • getgrgid_r()

  • getgrnam()

  • getgrnam_r()

  • setgrent()

4.17. <iconv.h>

The following methods and variables in <iconv.h> are supported:

  • iconv()

  • iconv_close()

  • iconv_open()

4.18. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

  • wcstoimax()

  • wcstoumax()

4.19. <langinfo.h>

The following methods and variables in <langinfo.h> are supported:

  • nl_langinfo()

  • nl_langinfo_l()

4.20. <libgen.h>

The following methods and variables in <libgen.h> are supported:

  • basename()

  • dirname()

4.21. <locale.h>

The following methods and variables in <locale.h> are supported:

  • duplocale()

  • freelocale()

  • localeconv()

  • newlocale()

  • setlocale()

  • uselocale()

4.22. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • j0()

  • j1()

  • jn()

  • nexttowardf()

  • signbit()

  • signgam

  • y0()

  • y1()

  • yn()

4.23. <monetary.h>

The following methods and variables in <monetary.h> are not supported:

  • strfmon()

  • strfmon_l()

4.24. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_close()

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

  • mq_unlink()

4.25. <ndbm.h>

The following methods and variables in <ndbm.h> are supported:

  • dbm_clearerr()

  • dbm_close()

  • dbm_delete()

  • dbm_error()

  • dbm_fetch()

  • dbm_firstkey()

  • dbm_nextkey()

  • dbm_open()

  • dbm_store()

4.26. <net/if.h>

The following methods and variables in <net/if.h> are supported:

  • if_freenameindex()

  • if_indextoname()

  • if_nameindex()

  • if_nametoindex()

4.27. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • endhostent()

  • endnetent()

  • endprotoent()

  • endservent()

  • freeaddrinfo()

  • gai_strerror()

  • getaddrinfo()

  • gethostent()

  • getnameinfo()

  • getnetbyaddr()

  • getnetbyname()

  • getnetent()

  • getprotobyname()

  • getprotobynumber()

  • getprotoent()

  • getservbyname()

  • getservbyport()

  • getservent()

  • sethostent()

  • setnetent()

  • setprotoent()

  • setservent()

4.28. <nl_types.h>

The following methods and variables in <nl_types.h> are not supported:

  • catclose()

  • catgets()

  • catopen()

4.29. <poll.h>

The following methods and variables in <poll.h> are not supported:

  • poll()

4.30. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstackaddr()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstackaddr()

  • pthread_attr_setstacksize()

  • pthread_barrier_destroy()

  • pthread_barrier_init()

  • pthread_barrier_wait()

  • pthread_barrierattr_destroy()

  • pthread_barrierattr_getpshared()

  • pthread_barrierattr_init()

  • pthread_barrierattr_setpshared()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_getpshared()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_condattr_setpshared()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_setpshared()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_rwlock_destroy()

  • pthread_rwlock_init()

  • pthread_rwlock_rdlock()

  • pthread_rwlock_timedrdlock()

  • pthread_rwlock_timedwrlock()

  • pthread_rwlock_tryrdlock()

  • pthread_rwlock_trywrlock()

  • pthread_rwlock_unlock()

  • pthread_rwlock_wrlock()

  • pthread_rwlockattr_destroy()

  • pthread_rwlockattr_getpshared()

  • pthread_rwlockattr_init()

  • pthread_rwlockattr_setpshared()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

  • pthread_spin_destroy()

  • pthread_spin_init()

  • pthread_spin_lock()

  • pthread_spin_trylock()

  • pthread_spin_unlock()

  • pthread_testcancel()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

The following methods and variables in <pthread.h> are not supported:

  • pthread_mutex_consistent()

  • pthread_mutexattr_getrobust()

  • pthread_mutexattr_setrobust()

4.31. <pwd.h>

The following methods and variables in <pwd.h> are supported:

  • endpwent()

  • getpwent()

  • getpwnam()

  • getpwnam_r()

  • getpwuid()

  • getpwuid_r()

  • setpwent()

4.32. <regex.h>

The following methods and variables in <regex.h> are supported:

  • regcomp()

  • regerror()

  • regexec()

  • regfree()

4.33. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

  • sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • sched_getparam()

  • sched_getscheduler()

  • sched_setparam()

  • sched_setscheduler()

4.34. <search.h>

The following methods and variables in <search.h> are supported:

  • hcreate()

  • hdestroy()

  • hsearch()

  • tdelete()

  • tfind()

  • tsearch()

  • twalk()

The following methods and variables in <search.h> are not supported:

  • insque()

  • lfind()

  • lsearch()

  • remque()

4.35. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

4.36. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

  • siglongjmp()

  • sigsetjmp()

The following methods and variables in <setjmp.h> are not supported:

  • _longjmp()

  • _setjmp()

4.37. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • psignal()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

The following methods and variables in <signal.h> are not supported:

  • killpg()

  • psiginfo()

  • sigaltstack()

  • sighold()

  • sigignore()

  • siginterrupt()

  • sigpause()

  • sigrelse()

  • sigset()

4.38. <spawn.h>

The following methods and variables in <spawn.h> are not supported:

  • posix_spawn()

  • posix_spawn_file_actions_addclose()

  • posix_spawn_file_actions_adddup2()

  • posix_spawn_file_actions_addopen()

  • posix_spawn_file_actions_destroy()

  • posix_spawn_file_actions_init()

  • posix_spawnattr_destroy()

  • posix_spawnattr_getflags()

  • posix_spawnattr_getpgroup()

  • posix_spawnattr_getschedparam()

  • posix_spawnattr_getschedpolicy()

  • posix_spawnattr_getsigdefault()

  • posix_spawnattr_getsigmask()

  • posix_spawnattr_init()

  • posix_spawnattr_setflags()

  • posix_spawnattr_setpgroup()

  • posix_spawnattr_setschedparam()

  • posix_spawnattr_setschedpolicy()

  • posix_spawnattr_setsigdefault()

  • posix_spawnattr_setsigmask()

  • posix_spawnp()

4.39. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

4.40. <stddef.h>

The following methods and variables in <stddef.h> are supported:

  • offsetof()

4.41. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • ctermid()

  • dprintf()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fileno()

  • flockfile()

  • fmemopen()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • fsetpos()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • gets()

  • open_memstream()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tempnam()

  • tmpfile()

  • tmpnam()

  • ungetc()

  • vdprintf()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

The following methods and variables in <stdio.h> are not supported:

  • getdelim()

  • getline()

  • pclose()

  • popen()

  • renameat()

4.42. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • a64l()

  • abort()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • drand48()

  • erand48()

  • exit()

  • free()

  • getenv()

  • getsubopt()

  • jrand48()

  • l64a()

  • labs()

  • lcong48()

  • ldiv()

  • llabs()

  • lldiv()

  • lrand48()

  • malloc()

  • mblen()

  • mbstowcs()

  • mbtowc()

  • mkdtemp()

  • mkstemp()

  • mrand48()

  • nrand48()

  • posix_memalign()

  • putenv()

  • qsort()

  • rand()

  • rand_r()

  • random()

  • realloc()

  • realpath()

  • seed48()

  • setenv()

  • srand()

  • srand48()

  • srandom()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

  • wcstombs()

  • wctomb()

The following methods in <stdlib.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • system()

The following methods and variables in <stdlib.h> are not supported:

  • grantpt()

  • initstate()

  • ptsname()

  • setkey()

  • setstate()

  • unlockpt()

4.43. <string.h>

The following methods and variables in <string.h> are supported:

  • memccpy()

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • stpcpy()

  • stpncpy()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcoll_l()

  • strcpy()

  • strcspn()

  • strdup()

  • strerror()

  • strerror_l()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strndup()

  • strnlen()

  • strpbrk()

  • strrchr()

  • strsignal()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

  • strxfrm_l()

4.44. <strings.h>

The following methods and variables in <strings.h> are supported:

  • ffs()

  • strcasecmp()

  • strcasecmp_l()

  • strncasecmp()

  • strncasecmp_l()

4.45. <stropts.h>

The following methods and variables in <stropts.h> are supported:

  • ioctl()

The following methods and variables in <stropts.h> are not supported:

  • fattach()

  • fdetach()

  • getmsg()

  • getpmsg()

  • isastream()

  • putmsg()

  • putpmsg()

4.46. <sys/ipc.h>

The following methods and variables in <sys/ipc.h> are not supported:

  • ftok()

4.47. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • mprotect()

  • msync()

  • munlock()

  • munlockall()

  • munmap()

  • posix_madvise()

  • shm_open()

  • shm_unlink()

The following methods and variables in <sys/mman.h> are not supported:

  • posix_mem_offset()

  • posix_typed_mem_get_info()

  • posix_typed_mem_open()

4.48. <sys/msg.h>

The following methods and variables in <sys/msg.h> are not supported:

  • msgctl()

  • msgget()

  • msgrcv()

  • msgsnd()

4.49. <sys/resource.h>

The following methods and variables in <sys/resource.h> are supported:

  • getrusage()

The following methods and variables in <sys/resource.h> are not supported:

  • getpriority()

  • getrlimit()

  • setpriority()

  • setrlimit()

4.50. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

The following methods and variables in <sys/select.h> are not supported:

  • pselect()

4.51. <sys/sem.h>

The following methods and variables in <sys/sem.h> are not supported:

  • semctl()

  • semget()

  • semop()

4.52. <sys/shm.h>

The following methods and variables in <sys/shm.h> are not supported:

  • shmat()

  • shmctl()

  • shmdt()

  • shmget()

4.53. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • recvmsg()

  • send()

  • sendmsg()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

  • socketpair()

The following methods and variables in <sys/socket.h> are not supported:

  • sockatmark()

4.54. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • chmod()

  • fchmod()

  • fstat()

  • lstat()

  • mkdir()

  • mkfifo()

  • mknod()

  • stat()

  • umask()

The following methods and variables in <sys/stat.h> are not supported:

  • fchmodat()

  • fstatat()

  • futimens()

  • mkdirat()

  • mkfifoat()

  • mknodat()

  • utimensat()

4.55. <sys/statvfs.h>

The following methods and variables in <sys/statvfs.h> are supported:

  • statvfs()

The following methods and variables in <sys/statvfs.h> are not supported:

  • fstatvfs()

4.56. <sys/time.h>

The following methods and variables in <sys/time.h> are supported:

  • gettimeofday()

  • times()

  • utimes()

The following methods in <sys/time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • getitimer()

  • setitimer()

4.57. <sys/uio.h>

The following methods and variables in <sys/uio.h> are supported:

  • readv()

  • writev()

4.58. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

4.59. <sys/wait.h>

The following methods and variables in <sys/wait.h> are supported:

  • wait()

  • waitpid()

The following methods and variables in <sys/wait.h> are not supported:

  • waitid()

4.60. <syslog.h>

The following methods and variables in <syslog.h> are not supported:

  • closelog()

  • openlog()

  • setlogmask()

  • syslog()

4.61. <termios.h>

The following methods and variables in <termios.h> are supported:

  • cfgetispeed()

  • cfgetospeed()

  • cfsetispeed()

  • cfsetospeed()

  • tcdrain()

  • tcflow()

  • tcflush()

  • tcgetattr()

  • tcsendbreak()

  • tcsetattr()

The following methods and variables in <termios.h> are not supported:

  • tcgetsid()

4.62. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • asctime_r()

  • clock()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime()

  • ctime_r()

  • difftime()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • strftime_l()

  • strptime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • timezone

  • tzname

  • tzset()

The following methods in <time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • clock_getcpuclockid()

The following methods and variables in <time.h> are not supported:

  • daylight

  • getdate()

  • getdate_err

4.63. <trace.h>

The following methods and variables in <trace.h> are not supported:

  • posix_trace_attr_destroy()

  • posix_trace_attr_getclockres()

  • posix_trace_attr_getcreatetime()

  • posix_trace_attr_getgenversion()

  • posix_trace_attr_getinherited()

  • posix_trace_attr_getlogfullpolicy()

  • posix_trace_attr_getlogsize()

  • posix_trace_attr_getmaxdatasize()

  • posix_trace_attr_getmaxsystemeventsize()

  • posix_trace_attr_getmaxusereventsize()

  • posix_trace_attr_getname()

  • posix_trace_attr_getstreamfullpolicy()

  • posix_trace_attr_getstreamsize()

  • posix_trace_attr_init()

  • posix_trace_attr_setinherited()

  • posix_trace_attr_setlogfullpolicy()

  • posix_trace_attr_setlogsize()

  • posix_trace_attr_setmaxdatasize()

  • posix_trace_attr_setname()

  • posix_trace_attr_setstreamfullpolicy()

  • posix_trace_attr_setstreamsize()

  • posix_trace_clear()

  • posix_trace_close()

  • posix_trace_create()

  • posix_trace_create_withlog()

  • posix_trace_event()

  • posix_trace_eventid_equal()

  • posix_trace_eventid_get_name()

  • posix_trace_eventid_open()

  • posix_trace_eventset_add()

  • posix_trace_eventset_del()

  • posix_trace_eventset_empty()

  • posix_trace_eventset_fill()

  • posix_trace_eventset_ismember()

  • posix_trace_eventtypelist_getnext_id()

  • posix_trace_eventtypelist_rewind()

  • posix_trace_flush()

  • posix_trace_get_attr()

  • posix_trace_get_filter()

  • posix_trace_get_status()

  • posix_trace_getnext_event()

  • posix_trace_open()

  • posix_trace_rewind()

  • posix_trace_set_filter()

  • posix_trace_shutdown()

  • posix_trace_start()

  • posix_trace_stop()

  • posix_trace_timedgetnext_event()

  • posix_trace_trid_eventid_open()

  • posix_trace_trygetnext_event()

4.64. <ulimit.h>

The following methods and variables in <ulimit.h> are not supported:

  • ulimit()

4.65. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • _exit()

  • access()

  • alarm()

  • chdir()

  • chown()

  • close()

  • dup()

  • dup2()

  • environ

  • fchdir()

  • fchown()

  • fdatasync()

  • fpathconf()

  • fsync()

  • ftruncate()

  • getcwd()

  • getegid()

  • geteuid()

  • getgid()

  • getgroups()

  • gethostname()

  • getlogin()

  • getlogin_r()

  • getopt()

  • getpgrp()

  • getpid()

  • getppid()

  • getuid()

  • isatty()

  • lchown()

  • link()

  • lseek()

  • optarg

  • opterr

  • optind

  • optopt

  • pathconf()

  • pause()

  • pipe()

  • pread()

  • pwrite()

  • read()

  • readlink()

  • rmdir()

  • setegid()

  • seteuid()

  • setgid()

  • setpgid()

  • setsid()

  • setuid()

  • sleep()

  • swab()

  • symlink()

  • sync()

  • sysconf()

  • tcgetpgrp()

  • tcsetpgrp()

  • truncate()

  • ttyname()

  • ttyname_r()

  • unlink()

  • write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • execl()

  • execle()

  • execlp()

  • execv()

  • execve()

  • execvp()

  • fork()

The following methods and variables in <unistd.h> are not supported:

  • confstr()

  • crypt()

  • encrypt()

  • faccessat()

  • fchownat()

  • fexecve()

  • gethostid()

  • getpgid()

  • getsid()

  • linkat()

  • lockf()

  • nice()

  • readlinkat()

  • setpgrp()

  • setregid()

  • setreuid()

  • symlinkat()

  • unlinkat()

4.66. <utime.h>

The following methods and variables in <utime.h> are supported:

  • utime()

4.67. <utmpx.h>

The following methods and variables in <utmpx.h> are not supported:

  • endutxent()

  • getutxent()

  • getutxid()

  • getutxline()

  • pututxline()

  • setutxent()

4.68. <wchar.h>

The following methods and variables in <wchar.h> are supported:

  • btowc()

  • fgetwc()

  • fgetws()

  • fputwc()

  • fputws()

  • fwide()

  • fwprintf()

  • fwscanf()

  • getwc()

  • getwchar()

  • mbrlen()

  • mbrtowc()

  • mbsinit()

  • mbsnrtowcs()

  • mbsrtowcs()

  • open_wmemstream()

  • putwc()

  • putwchar()

  • swprintf()

  • swscanf()

  • ungetwc()

  • vfwprintf()

  • vfwscanf()

  • vswprintf()

  • vswscanf()

  • vwprintf()

  • vwscanf()

  • wcpcpy()

  • wcpncpy()

  • wcrtomb()

  • wcscasecmp()

  • wcscasecmp_l()

  • wcscat()

  • wcschr()

  • wcscmp()

  • wcscoll()

  • wcscoll_l()

  • wcscpy()

  • wcscspn()

  • wcsdup()

  • wcsftime()

  • wcslen()

  • wcsncasecmp()

  • wcsncat()

  • wcsncmp()

  • wcsncpy()

  • wcsnlen()

  • wcsnrtombs()

  • wcspbrk()

  • wcsrchr()

  • wcsrtombs()

  • wcsspn()

  • wcsstr()

  • wcstod()

  • wcstof()

  • wcstok()

  • wcstol()

  • wcstold()

  • wcstoll()

  • wcstoul()

  • wcstoull()

  • wcswidth()

  • wcsxfrm()

  • wcsxfrm_l()

  • wctob()

  • wcwidth()

  • wmemchr()

  • wmemcmp()

  • wmemcpy()

  • wmemmove()

  • wmemset()

  • wprintf()

  • wscanf()

The following methods and variables in <wchar.h> are not supported:

  • wcsncasemcp_l()

4.69. <wctype.h>

The following methods and variables in <wctype.h> are supported:

  • iswalnum()

  • iswalnum_l()

  • iswalpha()

  • iswalpha_l()

  • iswblank()

  • iswblank_l()

  • iswcntrl()

  • iswcntrl_l()

  • iswctype()

  • iswctype_l()

  • iswdigit()

  • iswdigit_l()

  • iswgraph()

  • iswgraph_l()

  • iswlower()

  • iswlower_l()

  • iswprint()

  • iswprint_l()

  • iswpunct()

  • iswpunct_l()

  • iswspace()

  • iswspace_l()

  • iswupper()

  • iswupper_l()

  • iswxdigit()

  • iswxdigit_l()

  • towctrans()

  • towctrans_l()

  • towlower()

  • towlower_l()

  • towupper()

  • towupper_l()

  • wctrans()

  • wctrans_l()

  • wctype()

  • wctype_l()

4.70. <wordexp.h>

The following methods and variables in <wordexp.h> are not supported:

  • wordexp()

  • wordfree()

5. POSIX-2003

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

5.1. Summary

The follow table summarizes alignment with the POSIX-2003 standard:

Supported

906

ENOSYS

19

Not supported

190

5.2. <aio.h>

The following methods and variables in <aio.h> are supported:

  • aio_cancel()

  • aio_error()

  • aio_fsync()

  • aio_read()

  • aio_return()

  • aio_write()

The following methods in <aio.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • aio_suspend()

  • lio_listio()

5.3. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_addr()

  • inet_ntoa()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

5.4. <assert.h>

The following methods and variables in <assert.h> are supported:

  • assert()

5.5. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

5.6. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • _tolower()

  • _toupper()

  • isalnum()

  • isalpha()

  • isascii()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • islower_l()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • toascii()

  • tolower()

  • toupper()

5.7. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

  • seekdir()

5.8. <dlfcn.h>

The following methods and variables in <dlfcn.h> are supported:

  • dlclose()

  • dlerror()

  • dlopen()

  • dlsym()

5.9. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

5.10. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

The following methods and variables in <fcntl.h> are not supported:

  • posix_fadvise()

  • posix_fallocate()

  • posix_openpt()

5.11. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

5.12. <fmtmsg.h>

The following methods and variables in <fmtmsg.h> are not supported:

  • fmtmsg()

5.13. <fnmatch.h>

The following methods and variables in <fnmatch.h> are supported:

  • fnmatch()

5.14. <ftw.h>

The following methods and variables in <ftw.h> are not supported:

  • ftw()

  • nftw()

5.15. <glob.h>

The following methods and variables in <glob.h> are supported:

  • glob()

  • globfree()

5.16. <grp.h>

The following methods and variables in <grp.h> are supported:

  • endgrent()

  • getgrent()

  • getgrgid()

  • getgrgid_r()

  • getgrnam()

  • getgrnam_r()

  • setgrent()

5.17. <iconv.h>

The following methods and variables in <iconv.h> are supported:

  • iconv()

  • iconv_close()

  • iconv_open()

5.18. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

  • wcstoimax()

  • wcstoumax()

5.19. <langinfo.h>

The following methods and variables in <langinfo.h> are supported:

  • nl_langinfo()

5.20. <libgen.h>

The following methods and variables in <libgen.h> are supported:

  • basename()

  • dirname()

5.21. <locale.h>

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

5.22. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalb()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • j0()

  • j1()

  • jn()

  • nexttowardf()

  • signbit()

  • signgam

  • y0()

  • y1()

  • yn()

5.23. <monetary.h>

The following methods and variables in <monetary.h> are not supported:

  • strfmon()

5.24. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_close()

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

  • mq_unlink()

5.25. <ndbm.h>

The following methods and variables in <ndbm.h> are supported:

  • dbm_clearerr()

  • dbm_close()

  • dbm_delete()

  • dbm_error()

  • dbm_fetch()

  • dbm_firstkey()

  • dbm_nextkey()

  • dbm_open()

  • dbm_store()

5.26. <net/if.h>

The following methods and variables in <net/if.h> are supported:

  • if_freenameindex()

  • if_indextoname()

  • if_nameindex()

  • if_nametoindex()

5.27. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • endhostent()

  • endnetent()

  • endprotoent()

  • endservent()

  • freeaddrinfo()

  • gai_strerror()

  • getaddrinfo()

  • gethostbyaddr()

  • gethostbyname()

  • gethostent()

  • getnameinfo()

  • getnetbyaddr()

  • getnetbyname()

  • getnetent()

  • getprotobyname()

  • getprotobynumber()

  • getprotoent()

  • getservbyname()

  • getservbyport()

  • getservent()

  • h_errno

  • sethostent()

  • setnetent()

  • setprotoent()

  • setservent()

5.28. <nl_types.h>

The following methods and variables in <nl_types.h> are not supported:

  • catclose()

  • catgets()

  • catopen()

5.29. <poll.h>

The following methods and variables in <poll.h> are not supported:

  • poll()

5.30. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstackaddr()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstackaddr()

  • pthread_attr_setstacksize()

  • pthread_barrier_destroy()

  • pthread_barrier_init()

  • pthread_barrier_wait()

  • pthread_barrierattr_destroy()

  • pthread_barrierattr_getpshared()

  • pthread_barrierattr_init()

  • pthread_barrierattr_setpshared()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_getpshared()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_condattr_setpshared()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_setpshared()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_rwlock_destroy()

  • pthread_rwlock_init()

  • pthread_rwlock_rdlock()

  • pthread_rwlock_timedrdlock()

  • pthread_rwlock_timedwrlock()

  • pthread_rwlock_tryrdlock()

  • pthread_rwlock_trywrlock()

  • pthread_rwlock_unlock()

  • pthread_rwlock_wrlock()

  • pthread_rwlockattr_destroy()

  • pthread_rwlockattr_getpshared()

  • pthread_rwlockattr_init()

  • pthread_rwlockattr_setpshared()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

  • pthread_spin_destroy()

  • pthread_spin_init()

  • pthread_spin_lock()

  • pthread_spin_trylock()

  • pthread_spin_unlock()

  • pthread_testcancel()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

5.31. <pwd.h>

The following methods and variables in <pwd.h> are supported:

  • endpwent()

  • getpwent()

  • getpwnam()

  • getpwnam_r()

  • getpwuid()

  • getpwuid_r()

  • setpwent()

5.32. <regex.h>

The following methods and variables in <regex.h> are supported:

  • regcomp()

  • regerror()

  • regexec()

  • regfree()

5.33. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

  • sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • sched_getparam()

  • sched_getscheduler()

  • sched_setparam()

  • sched_setscheduler()

5.34. <search.h>

The following methods and variables in <search.h> are supported:

  • hcreate()

  • hdestroy()

  • hsearch()

  • tdelete()

  • tfind()

  • tsearch()

  • twalk()

The following methods and variables in <search.h> are not supported:

  • insque()

  • lfind()

  • lsearch()

  • remque()

5.35. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

5.36. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

  • siglongjmp()

  • sigsetjmp()

The following methods and variables in <setjmp.h> are not supported:

  • _longjmp()

  • _setjmp()

5.37. <signal.h>

The following methods and variables in <signal.h> are supported:

  • bsd_signal()

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

The following methods and variables in <signal.h> are not supported:

  • killpg()

  • sighold()

  • sigignore()

  • siginterrupt()

  • sigpause()

  • sigrelse()

  • sigset()

5.38. <spawn.h>

The following methods and variables in <spawn.h> are not supported:

  • posix_spawn()

  • posix_spawn_file_actions_addclose()

  • posix_spawn_file_actions_adddup2()

  • posix_spawn_file_actions_addopen()

  • posix_spawn_file_actions_destroy()

  • posix_spawn_file_actions_init()

  • posix_spawnattr_destroy()

  • posix_spawnattr_getflags()

  • posix_spawnattr_getpgroup()

  • posix_spawnattr_getschedparam()

  • posix_spawnattr_getschedpolicy()

  • posix_spawnattr_getsigdefault()

  • posix_spawnattr_getsigmask()

  • posix_spawnattr_init()

  • posix_spawnattr_setflags()

  • posix_spawnattr_setpgroup()

  • posix_spawnattr_setschedparam()

  • posix_spawnattr_setschedpolicy()

  • posix_spawnattr_setsigdefault()

  • posix_spawnattr_setsigmask()

  • posix_spawnp()

5.39. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

5.40. <stddef.h>

The following methods and variables in <stddef.h> are supported:

  • offsetof()

5.41. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • ctermid()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • fsetpos()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • gets()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tempnam()

  • tmpfile()

  • tmpnam()

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

The following methods and variables in <stdio.h> are not supported:

  • pclose()

  • popen()

5.42. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • a64l()

  • abort()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • drand48()

  • ecvt()

  • erand48()

  • exit()

  • fcvt()

  • free()

  • gcvt()

  • getenv()

  • getsubopt()

  • jrand48()

  • l64a()

  • labs()

  • lcong48()

  • ldiv()

  • llabs()

  • lldiv()

  • lrand48()

  • malloc()

  • mblen()

  • mbstowcs()

  • mbtowc()

  • mkstemp()

  • mrand48()

  • nrand48()

  • posix_memalign()

  • putenv()

  • qsort()

  • rand()

  • rand_r()

  • random()

  • realloc()

  • realpath()

  • seed48()

  • setenv()

  • srand()

  • srand48()

  • srandom()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

  • wcstombs()

  • wctomb()

The following methods in <stdlib.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • system()

The following methods and variables in <stdlib.h> are not supported:

  • grantpt()

  • initstate()

  • ptsname()

  • setkey()

  • setstate()

  • unlockpt()

5.43. <string.h>

The following methods and variables in <string.h> are supported:

  • memccpy()

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcpy()

  • strcspn()

  • strdup()

  • strerror()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

5.44. <strings.h>

The following methods and variables in <strings.h> are supported:

  • bcmp()

  • bcopy()

  • ffs()

  • index()

  • rindex()

  • strcasecmp()

  • strncasecmp()

5.45. <stropts.h>

The following methods and variables in <stropts.h> are supported:

  • ioctl()

The following methods and variables in <stropts.h> are not supported:

  • fattach()

  • fdetach()

  • getmsg()

  • getpmsg()

  • isastream()

  • putmsg()

  • putpmsg()

5.46. <sys/ipc.h>

The following methods and variables in <sys/ipc.h> are not supported:

  • ftok()

5.47. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • mprotect()

  • msync()

  • munlock()

  • munlockall()

  • munmap()

  • posix_madvise()

  • shm_open()

  • shm_unlink()

The following methods and variables in <sys/mman.h> are not supported:

  • posix_mem_offset()

  • posix_typed_mem_get_info()

  • posix_typed_mem_open()

5.48. <sys/msg.h>

The following methods and variables in <sys/msg.h> are not supported:

  • msgctl()

  • msgget()

  • msgrcv()

  • msgsnd()

5.49. <sys/resource.h>

The following methods and variables in <sys/resource.h> are supported:

  • getrusage()

The following methods and variables in <sys/resource.h> are not supported:

  • getpriority()

  • getrlimit()

  • setpriority()

  • setrlimit()

5.50. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

The following methods and variables in <sys/select.h> are not supported:

  • pselect()

5.51. <sys/sem.h>

The following methods and variables in <sys/sem.h> are not supported:

  • semctl()

  • semget()

  • semop()

5.52. <sys/shm.h>

The following methods and variables in <sys/shm.h> are not supported:

  • shmat()

  • shmctl()

  • shmdt()

  • shmget()

5.53. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • recvmsg()

  • send()

  • sendmsg()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

  • socketpair()

The following methods and variables in <sys/socket.h> are not supported:

  • sockatmark()

5.54. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • chmod()

  • fchmod()

  • fstat()

  • lstat()

  • mkdir()

  • mkfifo()

  • mknod()

  • stat()

  • umask()

5.55. <sys/statvfs.h>

The following methods and variables in <sys/statvfs.h> are supported:

  • statvfs()

The following methods and variables in <sys/statvfs.h> are not supported:

  • fstatvfs()

5.56. <sys/time.h>

The following methods and variables in <sys/time.h> are supported:

  • gettimeofday()

  • times()

  • utimes()

The following methods in <sys/time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • getitimer()

  • setitimer()

5.57. <sys/uio.h>

The following methods and variables in <sys/uio.h> are supported:

  • readv()

  • writev()

5.58. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

5.59. <sys/wait.h>

The following methods and variables in <sys/wait.h> are supported:

  • wait()

  • waitpid()

The following methods and variables in <sys/wait.h> are not supported:

  • waitid()

5.60. <syslog.h>

The following methods and variables in <syslog.h> are not supported:

  • closelog()

  • openlog()

  • setlogmask()

  • syslog()

5.61. <termios.h>

The following methods and variables in <termios.h> are supported:

  • cfgetispeed()

  • cfgetospeed()

  • cfsetispeed()

  • cfsetospeed()

  • tcdrain()

  • tcflow()

  • tcflush()

  • tcgetattr()

  • tcsendbreak()

  • tcsetattr()

The following methods and variables in <termios.h> are not supported:

  • tcgetsid()

5.62. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • asctime_r()

  • clock()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime()

  • ctime_r()

  • difftime()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • strptime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • timezone

  • tzname

  • tzset()

The following methods in <time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • clock_getcpuclockid()

The following methods and variables in <time.h> are not supported:

  • daylight

  • getdate()

  • getdate_err

5.63. <trace.h>

The following methods and variables in <trace.h> are not supported:

  • posix_trace_attr_destroy()

  • posix_trace_attr_getclockres()

  • posix_trace_attr_getcreatetime()

  • posix_trace_attr_getgenversion()

  • posix_trace_attr_getinherited()

  • posix_trace_attr_getlogfullpolicy()

  • posix_trace_attr_getlogsize()

  • posix_trace_attr_getmaxdatasize()

  • posix_trace_attr_getmaxsystemeventsize()

  • posix_trace_attr_getmaxusereventsize()

  • posix_trace_attr_getname()

  • posix_trace_attr_getstreamfullpolicy()

  • posix_trace_attr_getstreamsize()

  • posix_trace_attr_init()

  • posix_trace_attr_setinherited()

  • posix_trace_attr_setlogfullpolicy()

  • posix_trace_attr_setlogsize()

  • posix_trace_attr_setmaxdatasize()

  • posix_trace_attr_setname()

  • posix_trace_attr_setstreamfullpolicy()

  • posix_trace_attr_setstreamsize()

  • posix_trace_clear()

  • posix_trace_close()

  • posix_trace_create()

  • posix_trace_create_withlog()

  • posix_trace_event()

  • posix_trace_eventid_equal()

  • posix_trace_eventid_get_name()

  • posix_trace_eventid_open()

  • posix_trace_eventset_add()

  • posix_trace_eventset_del()

  • posix_trace_eventset_empty()

  • posix_trace_eventset_fill()

  • posix_trace_eventset_ismember()

  • posix_trace_eventtypelist_getnext_id()

  • posix_trace_eventtypelist_rewind()

  • posix_trace_flush()

  • posix_trace_get_attr()

  • posix_trace_get_filter()

  • posix_trace_get_status()

  • posix_trace_getnext_event()

  • posix_trace_open()

  • posix_trace_rewind()

  • posix_trace_set_filter()

  • posix_trace_shutdown()

  • posix_trace_start()

  • posix_trace_stop()

  • posix_trace_timedgetnext_event()

  • posix_trace_trid_eventid_open()

  • posix_trace_trygetnext_event()

5.64. <ulimit.h>

The following methods and variables in <ulimit.h> are not supported:

  • ulimit()

5.65. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • _exit()

  • access()

  • alarm()

  • chdir()

  • chown()

  • close()

  • dup()

  • dup2()

  • environ

  • fchdir()

  • fchown()

  • fdatasync()

  • fpathconf()

  • fsync()

  • ftruncate()

  • getcwd()

  • getegid()

  • geteuid()

  • getgid()

  • getgroups()

  • gethostname()

  • getlogin()

  • getlogin_r()

  • getopt()

  • getpgrp()

  • getpid()

  • getppid()

  • getuid()

  • isatty()

  • lchown()

  • link()

  • lseek()

  • optarg

  • opterr

  • optind

  • optopt

  • pathconf()

  • pause()

  • pipe()

  • pread()

  • pwrite()

  • read()

  • readlink()

  • rmdir()

  • setegid()

  • seteuid()

  • setgid()

  • setpgid()

  • setsid()

  • setuid()

  • sleep()

  • swab()

  • symlink()

  • sync()

  • sysconf()

  • tcgetpgrp()

  • tcsetpgrp()

  • truncate()

  • ttyname()

  • ttyname_r()

  • ualarm()

  • unlink()

  • usleep()

  • write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • execl()

  • execle()

  • execlp()

  • execv()

  • execve()

  • execvp()

  • fork()

The following methods and variables in <unistd.h> are not supported:

  • confstr()

  • crypt()

  • encrypt()

  • gethostid()

  • getpgid()

  • getsid()

  • lockf()

  • nice()

  • setpgrp()

  • setregid()

  • setreuid()

5.66. <utime.h>

The following methods and variables in <utime.h> are supported:

  • utime()

5.67. <utmpx.h>

The following methods and variables in <utmpx.h> are not supported:

  • endutxent()

  • getutxent()

  • getutxid()

  • getutxline()

  • pututxline()

  • setutxent()

5.68. <wchar.h>

The following methods and variables in <wchar.h> are supported:

  • btowc()

  • fgetwc()

  • fgetws()

  • fputwc()

  • fputws()

  • fwide()

  • fwprintf()

  • fwscanf()

  • getwc()

  • getwchar()

  • mbrlen()

  • mbrtowc()

  • mbsinit()

  • mbsrtowcs()

  • putwc()

  • putwchar()

  • swprintf()

  • swscanf()

  • ungetwc()

  • vfwprintf()

  • vfwscanf()

  • vswprintf()

  • vswscanf()

  • vwprintf()

  • vwscanf()

  • wcrtomb()

  • wcscat()

  • wcschr()

  • wcscmp()

  • wcscoll()

  • wcscpy()

  • wcscspn()

  • wcsftime()

  • wcslen()

  • wcsncat()

  • wcsncmp()

  • wcsncpy()

  • wcsnlen()

  • wcsnrtombs()

  • wcspbrk()

  • wcsrchr()

  • wcsrtombs()

  • wcsspn()

  • wcsstr()

  • wcstod()

  • wcstof()

  • wcstok()

  • wcstol()

  • wcstold()

  • wcstoll()

  • wcstoul()

  • wcstoull()

  • wcswidth()

  • wcsxfrm()

  • wctob()

  • wcwidth()

  • wmemchr()

  • wmemcmp()

  • wmemcpy()

  • wmemmove()

  • wmemset()

  • wprintf()

  • wscanf()

5.69. <wctype.h>

The following methods and variables in <wctype.h> are supported:

  • iswalnum()

  • iswalpha()

  • iswblank()

  • iswcntrl()

  • iswctype()

  • iswdigit()

  • iswgraph()

  • iswlower()

  • iswprint()

  • iswpunct()

  • iswspace()

  • iswupper()

  • iswxdigit()

  • towctrans()

  • towlower()

  • towupper()

  • wctrans()

  • wctype()

5.70. <wordexp.h>

The following methods and variables in <wordexp.h> are not supported:

  • wordexp()

  • wordfree()

6. POSIX PSE51 - Minimal

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

6.1. Summary

The follow table summarizes alignment with the POSIX PSE51 - Minimal standard:

Supported

270

ENOSYS

2

Not supported

12

6.2. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

6.3. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

6.4. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • open()

6.5. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

6.6. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

6.7. <locale.h>

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

6.8. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstackaddr()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstackaddr()

  • pthread_attr_setstacksize()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

  • pthread_testcancel()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

6.9. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

6.10. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

6.11. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

6.12. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

6.13. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

6.14. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • gets()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

6.15. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • abort()

  • abs()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • llabs()

  • lldiv()

  • malloc()

  • qsort()

  • rand()

  • rand_r()

  • realloc()

  • setenv()

  • srand()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

6.16. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcpy()

  • strcspn()

  • strerror()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

6.17. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • munlock()

  • munmap()

  • shm_open()

  • shm_unlink()

6.18. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

6.19. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • asctime_r()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime()

  • ctime_r()

  • difftime()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

6.20. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • alarm()

  • close()

  • environ

  • fdatasync()

  • fsync()

  • pause()

  • read()

  • sysconf()

  • write()

The following methods and variables in <unistd.h> are not supported:

  • confstr()

7. POSIX PSE52 - Real-Time Controller

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

7.1. Summary

The follow table summarizes alignment with the POSIX PSE52 - Real-Time Controller standard:

Supported

553

ENOSYS

2

Not supported

73

7.2. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

7.3. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

7.4. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

7.5. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

7.6. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

7.7. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

7.8. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

7.9. <locale.h>

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

7.10. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • nexttowardf()

  • signbit()

7.11. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_close()

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

  • mq_unlink()

7.12. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstackaddr()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstackaddr()

  • pthread_attr_setstacksize()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

  • pthread_testcancel()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

7.13. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

7.14. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

7.15. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

7.16. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

7.17. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

7.18. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • fsetpos()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • gets()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tmpfile()

  • tmpnam()

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

7.19. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • abort()

  • abs()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • llabs()

  • lldiv()

  • malloc()

  • qsort()

  • rand()

  • rand_r()

  • realloc()

  • setenv()

  • srand()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

7.20. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcpy()

  • strcspn()

  • strerror()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

7.21. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • msync()

  • munlock()

  • munmap()

  • shm_open()

  • shm_unlink()

7.22. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • fstat()

  • mkdir()

  • stat()

7.23. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

7.24. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • asctime_r()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime()

  • ctime_r()

  • difftime()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

7.25. <trace.h>

The following methods and variables in <trace.h> are not supported:

  • posix_trace_attr_destroy()

  • posix_trace_attr_getclockres()

  • posix_trace_attr_getcreatetime()

  • posix_trace_attr_getgenversion()

  • posix_trace_attr_getinherited()

  • posix_trace_attr_getlogfullpolicy()

  • posix_trace_attr_getlogsize()

  • posix_trace_attr_getmaxdatasize()

  • posix_trace_attr_getmaxsystemeventsize()

  • posix_trace_attr_getmaxusereventsize()

  • posix_trace_attr_getname()

  • posix_trace_attr_getstreamfullpolicy()

  • posix_trace_attr_getstreamsize()

  • posix_trace_attr_init()

  • posix_trace_attr_setinherited()

  • posix_trace_attr_setlogfullpolicy()

  • posix_trace_attr_setlogsize()

  • posix_trace_attr_setmaxdatasize()

  • posix_trace_attr_setname()

  • posix_trace_attr_setstreamfullpolicy()

  • posix_trace_attr_setstreamsize()

  • posix_trace_clear()

  • posix_trace_close()

  • posix_trace_create()

  • posix_trace_create_withlog()

  • posix_trace_event()

  • posix_trace_eventid_equal()

  • posix_trace_eventid_get_name()

  • posix_trace_eventid_open()

  • posix_trace_eventset_add()

  • posix_trace_eventset_del()

  • posix_trace_eventset_empty()

  • posix_trace_eventset_fill()

  • posix_trace_eventset_ismember()

  • posix_trace_eventtypelist_getnext_id()

  • posix_trace_eventtypelist_rewind()

  • posix_trace_flush()

  • posix_trace_get_attr()

  • posix_trace_get_filter()

  • posix_trace_get_status()

  • posix_trace_getnext_event()

  • posix_trace_open()

  • posix_trace_rewind()

  • posix_trace_set_filter()

  • posix_trace_shutdown()

  • posix_trace_start()

  • posix_trace_stop()

  • posix_trace_timedgetnext_event()

  • posix_trace_trid_eventid_open()

  • posix_trace_trygetnext_event()

7.26. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • access()

  • alarm()

  • chdir()

  • close()

  • dup()

  • dup2()

  • environ

  • fdatasync()

  • fpathconf()

  • fsync()

  • ftruncate()

  • getcwd()

  • link()

  • lseek()

  • pathconf()

  • pause()

  • read()

  • rmdir()

  • sysconf()

  • unlink()

  • write()

The following methods and variables in <unistd.h> are not supported:

  • confstr()

7.27. <utime.h>

The following methods and variables in <utime.h> are supported:

  • utime()

8. POSIX PSE53 - Dedicated

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

8.1. Summary

The follow table summarizes alignment with the POSIX PSE53 - Dedicated standard:

Supported

639

ENOSYS

16

Not supported

96

8.2. <aio.h>

The following methods and variables in <aio.h> are supported:

  • aio_cancel()

  • aio_error()

  • aio_fsync()

  • aio_read()

  • aio_return()

  • aio_write()

The following methods in <aio.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • aio_suspend()

  • lio_listio()

8.3. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_addr()

  • inet_ntoa()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

8.4. <assert.h>

The following methods and variables in <assert.h> are supported:

  • assert()

8.5. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

8.6. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

8.7. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

8.8. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

8.9. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

8.10. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

8.11. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

8.12. <locale.h>

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

8.13. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • nexttowardf()

  • signbit()

8.14. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_close()

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

  • mq_unlink()

8.15. <net/if.h>

The following methods and variables in <net/if.h> are supported:

  • if_freenameindex()

  • if_indextoname()

  • if_nameindex()

  • if_nametoindex()

8.16. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • endhostent()

  • endnetent()

  • endprotoent()

  • endservent()

  • freeaddrinfo()

  • gai_strerror()

  • getaddrinfo()

  • gethostent()

  • getnameinfo()

  • getnetbyaddr()

  • getnetbyname()

  • getnetent()

  • getprotobyname()

  • getprotobynumber()

  • getprotoent()

  • getservbyname()

  • getservbyport()

  • getservent()

  • sethostent()

  • setnetent()

  • setprotoent()

  • setservent()

8.17. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstackaddr()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstackaddr()

  • pthread_attr_setstacksize()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_getpshared()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_condattr_setpshared()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_setpshared()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

  • pthread_testcancel()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

8.18. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

  • sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • sched_getparam()

  • sched_getscheduler()

  • sched_setparam()

  • sched_setscheduler()

8.19. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

8.20. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

  • siglongjmp()

  • sigsetjmp()

8.21. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

8.22. <spawn.h>

The following methods and variables in <spawn.h> are not supported:

  • posix_spawn()

  • posix_spawn_file_actions_addclose()

  • posix_spawn_file_actions_adddup2()

  • posix_spawn_file_actions_addopen()

  • posix_spawn_file_actions_destroy()

  • posix_spawn_file_actions_init()

  • posix_spawnattr_destroy()

  • posix_spawnattr_getflags()

  • posix_spawnattr_getpgroup()

  • posix_spawnattr_getschedparam()

  • posix_spawnattr_getschedpolicy()

  • posix_spawnattr_getsigdefault()

  • posix_spawnattr_getsigmask()

  • posix_spawnattr_init()

  • posix_spawnattr_setflags()

  • posix_spawnattr_setpgroup()

  • posix_spawnattr_setschedparam()

  • posix_spawnattr_setschedpolicy()

  • posix_spawnattr_setsigdefault()

  • posix_spawnattr_setsigmask()

  • posix_spawnp()

8.23. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

8.24. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • fsetpos()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • gets()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tmpfile()

  • tmpnam()

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

8.25. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • abort()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • exit()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • llabs()

  • lldiv()

  • malloc()

  • qsort()

  • rand()

  • rand_r()

  • realloc()

  • setenv()

  • srand()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

8.26. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcpy()

  • strcspn()

  • strerror()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

8.27. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • mprotect()

  • msync()

  • munlock()

  • munmap()

  • shm_open()

  • shm_unlink()

8.28. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

The following methods and variables in <sys/select.h> are not supported:

  • pselect()

8.29. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • recvmsg()

  • send()

  • sendmsg()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

  • socketpair()

The following methods and variables in <sys/socket.h> are not supported:

  • sockatmark()

8.30. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • fstat()

  • mkdir()

  • stat()

8.31. <sys/time.h>

The following methods and variables in <sys/time.h> are supported:

  • times()

  • utimes()

8.32. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

8.33. <sys/wait.h>

The following methods and variables in <sys/wait.h> are supported:

  • wait()

8.34. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • asctime_r()

  • clock()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime()

  • ctime_r()

  • difftime()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

The following methods in <time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • clock_getcpuclockid()

8.35. <trace.h>

The following methods and variables in <trace.h> are not supported:

  • posix_trace_attr_destroy()

  • posix_trace_attr_getclockres()

  • posix_trace_attr_getcreatetime()

  • posix_trace_attr_getgenversion()

  • posix_trace_attr_getinherited()

  • posix_trace_attr_getlogfullpolicy()

  • posix_trace_attr_getlogsize()

  • posix_trace_attr_getmaxdatasize()

  • posix_trace_attr_getmaxsystemeventsize()

  • posix_trace_attr_getmaxusereventsize()

  • posix_trace_attr_getname()

  • posix_trace_attr_getstreamfullpolicy()

  • posix_trace_attr_getstreamsize()

  • posix_trace_attr_init()

  • posix_trace_attr_setinherited()

  • posix_trace_attr_setlogfullpolicy()

  • posix_trace_attr_setlogsize()

  • posix_trace_attr_setmaxdatasize()

  • posix_trace_attr_setname()

  • posix_trace_attr_setstreamfullpolicy()

  • posix_trace_attr_setstreamsize()

  • posix_trace_clear()

  • posix_trace_close()

  • posix_trace_create()

  • posix_trace_create_withlog()

  • posix_trace_event()

  • posix_trace_eventid_equal()

  • posix_trace_eventid_get_name()

  • posix_trace_eventid_open()

  • posix_trace_eventset_add()

  • posix_trace_eventset_del()

  • posix_trace_eventset_empty()

  • posix_trace_eventset_fill()

  • posix_trace_eventset_ismember()

  • posix_trace_eventtypelist_getnext_id()

  • posix_trace_eventtypelist_rewind()

  • posix_trace_flush()

  • posix_trace_get_attr()

  • posix_trace_get_filter()

  • posix_trace_get_status()

  • posix_trace_getnext_event()

  • posix_trace_open()

  • posix_trace_rewind()

  • posix_trace_set_filter()

  • posix_trace_shutdown()

  • posix_trace_start()

  • posix_trace_stop()

  • posix_trace_timedgetnext_event()

  • posix_trace_trid_eventid_open()

  • posix_trace_trygetnext_event()

8.36. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • _exit()

  • access()

  • alarm()

  • chdir()

  • close()

  • dup()

  • dup2()

  • environ

  • fdatasync()

  • fpathconf()

  • fsync()

  • ftruncate()

  • getcwd()

  • gethostname()

  • getpgrp()

  • getpid()

  • getppid()

  • link()

  • lseek()

  • pathconf()

  • pause()

  • pipe()

  • read()

  • rmdir()

  • setsid()

  • sleep()

  • sysconf()

  • unlink()

  • write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • execl()

  • execle()

  • execlp()

  • execv()

  • execve()

  • execvp()

  • fork()

The following methods and variables in <unistd.h> are not supported:

  • confstr()

8.37. <utime.h>

The following methods and variables in <utime.h> are supported:

  • utime()

9. POSIX PSE54 - Multipurpose

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

9.1. Summary

The follow table summarizes alignment with the POSIX PSE54 - Multipurpose standard:

Supported

783

ENOSYS

17

Not supported

106

9.2. <aio.h>

The following methods and variables in <aio.h> are supported:

  • aio_cancel()

  • aio_error()

  • aio_fsync()

  • aio_read()

  • aio_return()

  • aio_write()

The following methods in <aio.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • aio_suspend()

  • lio_listio()

9.3. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_addr()

  • inet_ntoa()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

9.4. <assert.h>

The following methods and variables in <assert.h> are supported:

  • assert()

9.5. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

9.6. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

9.7. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

9.8. <dlfcn.h>

The following methods and variables in <dlfcn.h> are supported:

  • dlclose()

  • dlerror()

  • dlopen()

  • dlsym()

9.9. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

9.10. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

The following methods and variables in <fcntl.h> are not supported:

  • posix_fadvise()

  • posix_fallocate()

9.11. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

9.12. <fnmatch.h>

The following methods and variables in <fnmatch.h> are supported:

  • fnmatch()

9.13. <glob.h>

The following methods and variables in <glob.h> are supported:

  • glob()

  • globfree()

9.14. <grp.h>

The following methods and variables in <grp.h> are supported:

  • getgrgid()

  • getgrgid_r()

  • getgrnam()

  • getgrnam_r()

9.15. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

  • wcstoimax()

  • wcstoumax()

9.16. <locale.h>

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

9.17. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • nexttowardf()

  • signbit()

9.18. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_close()

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

  • mq_unlink()

9.19. <net/if.h>

The following methods and variables in <net/if.h> are supported:

  • if_freenameindex()

  • if_indextoname()

  • if_nameindex()

  • if_nametoindex()

9.20. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • endhostent()

  • endnetent()

  • endprotoent()

  • endservent()

  • freeaddrinfo()

  • gai_strerror()

  • getaddrinfo()

  • gethostent()

  • getnameinfo()

  • getnetbyaddr()

  • getnetbyname()

  • getnetent()

  • getprotobyname()

  • getprotobynumber()

  • getprotoent()

  • getservbyname()

  • getservbyport()

  • getservent()

  • sethostent()

  • setnetent()

  • setprotoent()

  • setservent()

9.21. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstackaddr()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstackaddr()

  • pthread_attr_setstacksize()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_getpshared()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_condattr_setpshared()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_setpshared()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

  • pthread_testcancel()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

9.22. <pwd.h>

The following methods and variables in <pwd.h> are supported:

  • getpwnam()

  • getpwnam_r()

  • getpwuid()

  • getpwuid_r()

9.23. <regex.h>

The following methods and variables in <regex.h> are supported:

  • regcomp()

  • regerror()

  • regexec()

  • regfree()

9.24. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

  • sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • sched_getparam()

  • sched_getscheduler()

  • sched_setparam()

  • sched_setscheduler()

9.25. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

9.26. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

  • siglongjmp()

  • sigsetjmp()

9.27. <signal.h>

The following methods and variables in <signal.h> are supported:

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

9.28. <spawn.h>

The following methods and variables in <spawn.h> are not supported:

  • posix_spawn()

  • posix_spawn_file_actions_addclose()

  • posix_spawn_file_actions_adddup2()

  • posix_spawn_file_actions_addopen()

  • posix_spawn_file_actions_destroy()

  • posix_spawn_file_actions_init()

  • posix_spawnattr_destroy()

  • posix_spawnattr_getflags()

  • posix_spawnattr_getpgroup()

  • posix_spawnattr_getschedparam()

  • posix_spawnattr_getschedpolicy()

  • posix_spawnattr_getsigdefault()

  • posix_spawnattr_getsigmask()

  • posix_spawnattr_init()

  • posix_spawnattr_setflags()

  • posix_spawnattr_setpgroup()

  • posix_spawnattr_setschedparam()

  • posix_spawnattr_setschedpolicy()

  • posix_spawnattr_setsigdefault()

  • posix_spawnattr_setsigmask()

  • posix_spawnp()

9.29. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

9.30. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • ctermid()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • fsetpos()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • gets()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tmpfile()

  • tmpnam()

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

The following methods and variables in <stdio.h> are not supported:

  • pclose()

  • popen()

9.31. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • abort()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • exit()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • llabs()

  • lldiv()

  • malloc()

  • mblen()

  • mbstowcs()

  • mbtowc()

  • posix_memalign()

  • qsort()

  • rand()

  • rand_r()

  • realloc()

  • setenv()

  • srand()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

  • wcstombs()

  • wctomb()

The following methods in <stdlib.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • system()

9.32. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcpy()

  • strcspn()

  • strerror()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

9.33. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • mprotect()

  • msync()

  • munlock()

  • munmap()

  • posix_madvise()

  • shm_open()

  • shm_unlink()

9.34. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

The following methods and variables in <sys/select.h> are not supported:

  • pselect()

9.35. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • recvmsg()

  • send()

  • sendmsg()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

  • socketpair()

The following methods and variables in <sys/socket.h> are not supported:

  • sockatmark()

9.36. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • chmod()

  • fchmod()

  • fstat()

  • lstat()

  • mkdir()

  • mkfifo()

  • stat()

  • umask()

9.37. <sys/time.h>

The following methods and variables in <sys/time.h> are supported:

  • times()

  • utimes()

9.38. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

9.39. <sys/wait.h>

The following methods and variables in <sys/wait.h> are supported:

  • wait()

9.40. <syslog.h>

The following methods and variables in <syslog.h> are not supported:

  • closelog()

  • openlog()

  • setlogmask()

  • syslog()

9.41. <termios.h>

The following methods and variables in <termios.h> are supported:

  • cfgetispeed()

  • cfgetospeed()

  • cfsetispeed()

  • cfsetospeed()

  • tcdrain()

  • tcflow()

  • tcflush()

  • tcgetattr()

  • tcsendbreak()

  • tcsetattr()

9.42. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • asctime_r()

  • clock()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime()

  • ctime_r()

  • difftime()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

The following methods in <time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • clock_getcpuclockid()

9.43. <trace.h>

The following methods and variables in <trace.h> are not supported:

  • posix_trace_attr_destroy()

  • posix_trace_attr_getclockres()

  • posix_trace_attr_getcreatetime()

  • posix_trace_attr_getgenversion()

  • posix_trace_attr_getinherited()

  • posix_trace_attr_getlogfullpolicy()

  • posix_trace_attr_getlogsize()

  • posix_trace_attr_getmaxdatasize()

  • posix_trace_attr_getmaxsystemeventsize()

  • posix_trace_attr_getmaxusereventsize()

  • posix_trace_attr_getname()

  • posix_trace_attr_getstreamfullpolicy()

  • posix_trace_attr_getstreamsize()

  • posix_trace_attr_init()

  • posix_trace_attr_setinherited()

  • posix_trace_attr_setlogfullpolicy()

  • posix_trace_attr_setlogsize()

  • posix_trace_attr_setmaxdatasize()

  • posix_trace_attr_setname()

  • posix_trace_attr_setstreamfullpolicy()

  • posix_trace_attr_setstreamsize()

  • posix_trace_clear()

  • posix_trace_close()

  • posix_trace_create()

  • posix_trace_create_withlog()

  • posix_trace_event()

  • posix_trace_eventid_equal()

  • posix_trace_eventid_get_name()

  • posix_trace_eventid_open()

  • posix_trace_eventset_add()

  • posix_trace_eventset_del()

  • posix_trace_eventset_empty()

  • posix_trace_eventset_fill()

  • posix_trace_eventset_ismember()

  • posix_trace_eventtypelist_getnext_id()

  • posix_trace_eventtypelist_rewind()

  • posix_trace_flush()

  • posix_trace_get_attr()

  • posix_trace_get_filter()

  • posix_trace_get_status()

  • posix_trace_getnext_event()

  • posix_trace_open()

  • posix_trace_rewind()

  • posix_trace_set_filter()

  • posix_trace_shutdown()

  • posix_trace_start()

  • posix_trace_stop()

  • posix_trace_timedgetnext_event()

  • posix_trace_trid_eventid_open()

  • posix_trace_trygetnext_event()

9.44. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • _exit()

  • access()

  • chdir()

  • chown()

  • close()

  • dup()

  • dup2()

  • environ

  • fchown()

  • fdatasync()

  • fpathconf()

  • fsync()

  • ftruncate()

  • getcwd()

  • getegid()

  • geteuid()

  • getgid()

  • getgroups()

  • gethostname()

  • getlogin()

  • getlogin_r()

  • getopt()

  • getpgrp()

  • getpid()

  • getppid()

  • getuid()

  • isatty()

  • link()

  • lseek()

  • optarg

  • opterr

  • optind

  • optopt

  • pathconf()

  • pipe()

  • read()

  • readlink()

  • rmdir()

  • setegid()

  • seteuid()

  • setgid()

  • setpgid()

  • setsid()

  • setuid()

  • sleep()

  • symlink()

  • sysconf()

  • tcgetpgrp()

  • tcsetpgrp()

  • ttyname()

  • ttyname_r()

  • unlink()

  • write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • execl()

  • execle()

  • execlp()

  • execv()

  • execve()

  • execvp()

  • fork()

The following methods and variables in <unistd.h> are not supported:

  • confstr()

9.45. <utime.h>

The following methods and variables in <utime.h> are supported:

  • utime()

9.46. <wchar.h>

The following methods and variables in <wchar.h> are supported:

  • btowc()

  • fgetwc()

  • fgetws()

  • fputwc()

  • fputws()

  • fwide()

  • fwprintf()

  • fwscanf()

  • getwc()

  • getwchar()

  • mbrlen()

  • mbrtowc()

  • mbsinit()

  • mbsrtowcs()

  • putwc()

  • putwchar()

  • swprintf()

  • swscanf()

  • ungetwc()

  • vfwprintf()

  • vfwscanf()

  • vswprintf()

  • vswscanf()

  • vwprintf()

  • vwscanf()

  • wcrtomb()

  • wcscat()

  • wcschr()

  • wcscmp()

  • wcscoll()

  • wcscpy()

  • wcscspn()

  • wcsftime()

  • wcslen()

  • wcsncat()

  • wcsncmp()

  • wcsncpy()

  • wcspbrk()

  • wcsrchr()

  • wcsrtombs()

  • wcsspn()

  • wcsstr()

  • wcstod()

  • wcstof()

  • wcstok()

  • wcstol()

  • wcstold()

  • wcstoll()

  • wcstoul()

  • wcstoull()

  • wcsxfrm()

  • wctob()

  • wmemchr()

  • wmemcmp()

  • wmemcpy()

  • wmemmove()

  • wmemset()

  • wprintf()

  • wscanf()

9.47. <wctype.h>

The following methods and variables in <wctype.h> are supported:

  • iswalnum()

  • iswalpha()

  • iswblank()

  • iswcntrl()

  • iswctype()

  • iswdigit()

  • iswgraph()

  • iswlower()

  • iswprint()

  • iswpunct()

  • iswspace()

  • iswupper()

  • iswxdigit()

  • towctrans()

  • towlower()

  • towupper()

  • wctrans()

  • wctype()

9.48. <wordexp.h>

The following methods and variables in <wordexp.h> are not supported:

  • wordexp()

  • wordfree()

10. C99 Standard Library

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

10.1. Summary

The follow table summarizes alignment with the C99 Standard Library standard:

Supported

463

ENOSYS

0

Not supported

22

10.2. <assert.h>

The following methods and variables in <assert.h> are supported:

  • assert()

10.3. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

10.4. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

10.5. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

10.6. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

10.7. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

  • wcstoimax()

  • wcstoumax()

10.8. <locale.h>

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

10.9. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • nexttowardf()

  • signbit()

10.10. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

10.11. <signal.h>

The following methods and variables in <signal.h> are supported:

  • raise()

  • signal()

10.12. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

10.13. <stddef.h>

The following methods and variables in <stddef.h> are supported:

  • offsetof()

10.14. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fileno()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fsetpos()

  • ftell()

  • fwrite()

  • getc()

  • getchar()

  • gets()

  • perror()

  • printf()

  • putc()

  • putchar()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tmpfile()

  • tmpnam()

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

10.15. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • exit()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • llabs()

  • lldiv()

  • malloc()

  • mblen()

  • mbstowcs()

  • mbtowc()

  • qsort()

  • rand()

  • realloc()

  • srand()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • wcstombs()

  • wctomb()

10.16. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcpy()

  • strcspn()

  • strerror()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strxfrm()

10.17. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • clock()

  • ctime()

  • difftime()

  • gmtime()

  • localtime()

  • mktime()

  • strftime()

  • time()

10.18. <wchar.h>

The following methods and variables in <wchar.h> are supported:

  • btowc()

  • fgetwc()

  • fgetws()

  • fputwc()

  • fputws()

  • fwide()

  • fwprintf()

  • fwscanf()

  • getwc()

  • getwchar()

  • mbrlen()

  • mbrtowc()

  • mbsinit()

  • mbsrtowcs()

  • putwc()

  • putwchar()

  • swprintf()

  • swscanf()

  • ungetwc()

  • vfwprintf()

  • vfwscanf()

  • vswprintf()

  • vswscanf()

  • vwprintf()

  • vwscanf()

  • wcrtomb()

  • wcscat()

  • wcschr()

  • wcscmp()

  • wcscoll()

  • wcscpy()

  • wcscspn()

  • wcsftime()

  • wcslen()

  • wcsncat()

  • wcsncmp()

  • wcsncpy()

  • wcspbrk()

  • wcsrchr()

  • wcsrtombs()

  • wcsspn()

  • wcsstr()

  • wcstod()

  • wcstof()

  • wcstok()

  • wcstol()

  • wcstold()

  • wcstoll()

  • wcstoul()

  • wcstoull()

  • wcsxfrm()

  • wctob()

  • wmemchr()

  • wmemcmp()

  • wmemcpy()

  • wmemmove()

  • wmemset()

  • wprintf()

  • wscanf()

10.19. <wctype.h>

The following methods and variables in <wctype.h> are supported:

  • iswalnum()

  • iswalpha()

  • iswblank()

  • iswcntrl()

  • iswctype()

  • iswdigit()

  • iswgraph()

  • iswlower()

  • iswprint()

  • iswpunct()

  • iswspace()

  • iswupper()

  • iswxdigit()

  • towctrans()

  • towlower()

  • towupper()

  • wctrans()

  • wctype()

11. C11 Standard Library

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

11.1. Summary

The follow table summarizes alignment with the C11 Standard Library standard:

Supported

486

ENOSYS

0

Not supported

22

11.2. <assert.h>

The following methods and variables in <assert.h> are supported:

  • assert()

11.3. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

11.4. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

11.5. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

11.6. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

11.7. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

  • wcstoimax()

  • wcstoumax()

11.8. <locale.h>

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

11.9. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • nexttowardf()

  • signbit()

11.10. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

11.11. <signal.h>

The following methods and variables in <signal.h> are supported:

  • raise()

  • signal()

11.12. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

11.13. <stddef.h>

The following methods and variables in <stddef.h> are supported:

  • offsetof()

11.14. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fsetpos()

  • ftell()

  • fwrite()

  • getc()

  • getchar()

  • perror()

  • printf()

  • putc()

  • putchar()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tmpfile()

  • tmpnam()

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

11.15. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • exit()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • llabs()

  • lldiv()

  • malloc()

  • mblen()

  • mbstowcs()

  • mbtowc()

  • qsort()

  • rand()

  • realloc()

  • srand()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • wcstombs()

  • wctomb()

11.16. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcpy()

  • strcspn()

  • strerror()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strxfrm()

11.17. <threads.h>

The following methods and variables in <threads.h> are supported:

  • call_once()

  • cnd_broadcast()

  • cnd_destroy()

  • cnd_init()

  • cnd_signal()

  • cnd_timedwait()

  • cnd_wait()

  • mtx_destroy()

  • mtx_init()

  • mtx_lock()

  • mtx_timedlock()

  • mtx_trylock()

  • mtx_unlock()

  • thrd_create()

  • thrd_current()

  • thrd_detach()

  • thrd_equal()

  • thrd_exit()

  • thrd_join()

  • thrd_sleep()

  • thrd_yield()

  • tss_create()

  • tss_delete()

  • tss_get()

  • tss_set()

11.18. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • clock()

  • ctime()

  • difftime()

  • gmtime()

  • localtime()

  • mktime()

  • strftime()

  • time()

11.19. <wchar.h>

The following methods and variables in <wchar.h> are supported:

  • btowc()

  • fgetwc()

  • fgetws()

  • fputwc()

  • fputws()

  • fwide()

  • fwprintf()

  • fwscanf()

  • getwc()

  • getwchar()

  • mbrlen()

  • mbrtowc()

  • mbsinit()

  • mbsrtowcs()

  • putwc()

  • putwchar()

  • swprintf()

  • swscanf()

  • ungetwc()

  • vfwprintf()

  • vfwscanf()

  • vswprintf()

  • vswscanf()

  • vwprintf()

  • vwscanf()

  • wcrtomb()

  • wcscat()

  • wcschr()

  • wcscmp()

  • wcscoll()

  • wcscpy()

  • wcscspn()

  • wcsftime()

  • wcslen()

  • wcsncat()

  • wcsncmp()

  • wcsncpy()

  • wcspbrk()

  • wcsrchr()

  • wcsrtombs()

  • wcsspn()

  • wcsstr()

  • wcstod()

  • wcstof()

  • wcstok()

  • wcstol()

  • wcstold()

  • wcstoll()

  • wcstoul()

  • wcstoull()

  • wcsxfrm()

  • wctob()

  • wmemchr()

  • wmemcmp()

  • wmemcpy()

  • wmemmove()

  • wmemset()

  • wprintf()

  • wscanf()

11.20. <wctype.h>

The following methods and variables in <wctype.h> are supported:

  • iswalnum()

  • iswalpha()

  • iswblank()

  • iswcntrl()

  • iswctype()

  • iswdigit()

  • iswgraph()

  • iswlower()

  • iswprint()

  • iswpunct()

  • iswspace()

  • iswupper()

  • iswxdigit()

  • towctrans()

  • towlower()

  • towupper()

  • wctrans()

  • wctype()

12. FACE 2.1 Security

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

12.1. Summary

The follow table summarizes alignment with the FACE 2.1 Security standard:

Supported

162

ENOSYS

1

Not supported

0

12.2. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

12.3. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

12.4. <devctl.h>

The following methods and variables in <devctl.h> are supported:

  • posix_devctl()

12.5. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

12.6. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosh()

  • asin()

  • asinh()

  • atan()

  • atan2()

  • atanh()

  • ceil()

  • cos()

  • cosh()

  • exp()

  • fabs()

  • floor()

  • fmod()

  • frexp()

  • isinf()

  • isnan()

  • ldexp()

  • log()

  • log10()

  • modf()

  • pow()

  • sin()

  • sinh()

  • sqrt()

  • tan()

  • tanh()

12.7. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • freeaddrinfo()

  • getaddrinfo()

  • getnameinfo()

12.8. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_init()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_create()

  • pthread_equal()

  • pthread_getschedparam()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_once()

  • pthread_self()

  • pthread_setschedparam()

  • pthread_setschedprio()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_getcpuclockid()

12.9. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_yield()

12.10. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_wait()

12.11. <signal.h>

The following methods and variables in <signal.h> are supported:

  • pthread_sigmask()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • sigpending()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

12.12. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • abs()

  • atof()

  • atoi()

  • atol()

  • div()

  • labs()

  • ldiv()

  • malloc()

  • rand_r()

  • strtod()

  • strtol()

  • strtoul()

12.13. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcpy()

  • strcspn()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok_r()

12.14. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mmap()

  • shm_open()

12.15. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • recv()

  • recvfrom()

  • send()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

12.16. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • stat()

12.17. <time.h>

The following methods and variables in <time.h> are supported:

  • clock_getres()

  • clock_gettime()

  • clock_settime()

  • nanosleep()

  • timer_create()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

12.18. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • alarm()

  • ftruncate()

  • pause()

13. FACE 2.1 Safety Base

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

13.1. Summary

The follow table summarizes alignment with the FACE 2.1 Safety Base standard:

Supported

245

ENOSYS

1

Not supported

0

13.2. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

13.3. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

13.4. <devctl.h>

The following methods and variables in <devctl.h> are supported:

  • posix_devctl()

13.5. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

13.6. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

13.7. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • open()

13.8. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosh()

  • asin()

  • asinh()

  • atan()

  • atan2()

  • atanh()

  • ceil()

  • cos()

  • cosh()

  • exp()

  • fabs()

  • floor()

  • fmod()

  • frexp()

  • isinf()

  • isnan()

  • ldexp()

  • log()

  • log10()

  • modf()

  • pow()

  • sin()

  • sinh()

  • sqrt()

  • tan()

  • tanh()

13.9. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

13.10. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • freeaddrinfo()

  • getaddrinfo()

  • getnameinfo()

13.11. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstacksize()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_create()

  • pthread_equal()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_key_create()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_once()

  • pthread_self()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_getcpuclockid()

13.12. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_yield()

13.13. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_wait()

13.14. <signal.h>

The following methods and variables in <signal.h> are supported:

  • pthread_sigmask()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • sigpending()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

13.15. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgets()

  • fileno()

  • fopen()

  • fprintf()

  • fread()

  • freopen()

  • fseek()

  • fseeko()

  • ftell()

  • ftello()

  • fwrite()

  • remove()

  • rename()

  • snprintf()

13.16. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • abs()

  • atof()

  • atoi()

  • atol()

  • calloc()

  • div()

  • labs()

  • ldiv()

  • malloc()

  • rand_r()

  • strtod()

  • strtol()

  • strtoul()

13.17. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcpy()

  • strcspn()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok_r()

13.18. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mmap()

  • shm_open()

13.19. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

13.20. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • recv()

  • recvfrom()

  • send()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

13.21. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • fstat()

  • mkdir()

  • stat()

  • umask()

13.22. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime_r()

  • clock_getres()

  • clock_gettime()

  • clock_settime()

  • ctime_r()

  • difftime()

  • gmtime_r()

  • localtime_r()

  • mktime()

  • nanosleep()

  • time()

  • timer_create()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

13.23. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • access()

  • alarm()

  • chdir()

  • close()

  • fsync()

  • ftruncate()

  • getcwd()

  • gethostname()

  • link()

  • lseek()

  • pause()

  • read()

  • rmdir()

  • unlink()

  • write()

14. FACE 2.1 Safety Extended

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

14.1. Summary

The follow table summarizes alignment with the FACE 2.1 Safety Extended standard:

Supported

315

ENOSYS

11

Not supported

9

14.2. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

14.3. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

14.4. <devctl.h>

The following methods and variables in <devctl.h> are supported:

  • posix_devctl()

14.5. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

14.6. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

14.7. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

14.8. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosh()

  • asin()

  • asinh()

  • atan()

  • atan2()

  • atanh()

  • ceil()

  • cos()

  • cosh()

  • exp()

  • fabs()

  • floor()

  • fmod()

  • frexp()

  • isinf()

  • isnan()

  • ldexp()

  • log()

  • log10()

  • modf()

  • pow()

  • sin()

  • sinh()

  • sqrt()

  • tan()

  • tanh()

14.9. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

14.10. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • freeaddrinfo()

  • getaddrinfo()

  • getnameinfo()

14.11. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstacksize()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_once()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

14.12. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

  • sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • sched_getparam()

  • sched_getscheduler()

  • sched_setparam()

  • sched_setscheduler()

14.13. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

14.14. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • siglongjmp()

  • sigsetjmp()

14.15. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • sigpending()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

14.16. <spawn.h>

The following methods and variables in <spawn.h> are not supported:

  • posix_spawn()

  • posix_spawnattr_destroy()

  • posix_spawnattr_getflags()

  • posix_spawnattr_getsigdefault()

  • posix_spawnattr_getsigmask()

  • posix_spawnattr_init()

  • posix_spawnattr_setflags()

  • posix_spawnattr_setsigdefault()

  • posix_spawnattr_setsigmask()

14.17. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_end()

  • va_start()

14.18. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fread()

  • freopen()

  • fseek()

  • fseeko()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • remove()

  • rename()

  • snprintf()

  • sscanf()

  • vfprintf()

  • vsnprintf()

14.19. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • abort()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • bsearch()

  • calloc()

  • div()

  • exit()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • malloc()

  • rand_r()

  • realloc()

  • strtod()

  • strtol()

  • strtoul()

14.20. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcpy()

  • strcspn()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok_r()

14.21. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mmap()

  • shm_open()

14.22. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

14.23. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • send()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

14.24. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • chmod()

  • fstat()

  • lstat()

  • mkdir()

  • mkfifo()

  • stat()

  • umask()

14.25. <sys/time.h>

The following methods and variables in <sys/time.h> are supported:

  • times()

14.26. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

14.27. <sys/wait.h>

The following methods and variables in <sys/wait.h> are supported:

  • waitpid()

14.28. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime_r()

  • clock()

  • clock_getres()

  • clock_gettime()

  • clock_settime()

  • ctime_r()

  • difftime()

  • gmtime_r()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

14.29. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • _exit()

  • access()

  • alarm()

  • chdir()

  • chown()

  • close()

  • dup2()

  • environ

  • fsync()

  • ftruncate()

  • getcwd()

  • getegid()

  • geteuid()

  • getgid()

  • getgroups()

  • gethostname()

  • getpgrp()

  • getpid()

  • getppid()

  • getuid()

  • link()

  • lseek()

  • pause()

  • pipe()

  • read()

  • rmdir()

  • setegid()

  • seteuid()

  • setgid()

  • setuid()

  • sleep()

  • sysconf()

  • unlink()

  • write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • execl()

  • execle()

  • execv()

  • execve()

  • fork()

15. FACE 2.1 General Purpose

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

15.1. Summary

The follow table summarizes alignment with the FACE 2.1 General Purpose standard:

Supported

752

ENOSYS

14

Not supported

46

15.2. <aio.h>

The following methods and variables in <aio.h> are supported:

  • aio_cancel()

  • aio_error()

  • aio_fsync()

  • aio_read()

  • aio_return()

  • aio_write()

The following methods in <aio.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • aio_suspend()

  • lio_listio()

15.3. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_addr()

  • inet_ntoa()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

15.4. <assert.h>

The following methods and variables in <assert.h> are supported:

  • assert()

15.5. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

15.6. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

15.7. <devctl.h>

The following methods and variables in <devctl.h> are supported:

  • posix_devctl()

15.8. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

15.9. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

15.10. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

15.11. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

15.12. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

  • wcstoimax()

  • wcstoumax()

15.13. <locale.h>

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

15.14. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • nexttowardf()

  • signbit()

15.15. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_close()

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

  • mq_unlink()

15.16. <net/if.h>

The following methods and variables in <net/if.h> are supported:

  • if_freenameindex()

  • if_indextoname()

  • if_nameindex()

  • if_nametoindex()

15.17. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • endhostent()

  • endnetent()

  • endprotoent()

  • endservent()

  • freeaddrinfo()

  • gai_strerror()

  • getaddrinfo()

  • gethostent()

  • getnameinfo()

  • getnetbyaddr()

  • getnetbyname()

  • getnetent()

  • getprotobyname()

  • getprotobynumber()

  • getprotoent()

  • getservbyname()

  • getservbyport()

  • getservent()

  • sethostent()

  • setnetent()

  • setprotoent()

  • setservent()

15.18. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstacksize()

  • pthread_barrier_destroy()

  • pthread_barrier_init()

  • pthread_barrier_wait()

  • pthread_barrierattr_destroy()

  • pthread_barrierattr_init()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_getpshared()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_condattr_setpshared()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_setpshared()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_rwlock_destroy()

  • pthread_rwlock_init()

  • pthread_rwlock_rdlock()

  • pthread_rwlock_timedrdlock()

  • pthread_rwlock_timedwrlock()

  • pthread_rwlock_tryrdlock()

  • pthread_rwlock_trywrlock()

  • pthread_rwlock_unlock()

  • pthread_rwlock_wrlock()

  • pthread_rwlockattr_destroy()

  • pthread_rwlockattr_init()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

  • pthread_testcancel()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

15.19. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

  • sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • sched_getparam()

  • sched_getscheduler()

  • sched_setparam()

  • sched_setscheduler()

15.20. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

15.21. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

  • siglongjmp()

  • sigsetjmp()

15.22. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

15.23. <spawn.h>

The following methods and variables in <spawn.h> are not supported:

  • posix_spawn()

  • posix_spawn_file_actions_addclose()

  • posix_spawn_file_actions_adddup2()

  • posix_spawn_file_actions_addopen()

  • posix_spawn_file_actions_destroy()

  • posix_spawn_file_actions_init()

  • posix_spawnattr_destroy()

  • posix_spawnattr_getflags()

  • posix_spawnattr_getpgroup()

  • posix_spawnattr_getschedparam()

  • posix_spawnattr_getschedpolicy()

  • posix_spawnattr_getsigdefault()

  • posix_spawnattr_getsigmask()

  • posix_spawnattr_init()

  • posix_spawnattr_setflags()

  • posix_spawnattr_setpgroup()

  • posix_spawnattr_setschedparam()

  • posix_spawnattr_setschedpolicy()

  • posix_spawnattr_setsigdefault()

  • posix_spawnattr_setsigmask()

  • posix_spawnp()

15.24. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

15.25. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • fsetpos()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tmpfile()

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

15.26. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • abort()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • exit()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • llabs()

  • lldiv()

  • malloc()

  • mblen()

  • mbstowcs()

  • mbtowc()

  • qsort()

  • rand()

  • rand_r()

  • realloc()

  • setenv()

  • srand()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

  • wcstombs()

  • wctomb()

15.27. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcpy()

  • strcspn()

  • strerror()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

15.28. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • mprotect()

  • msync()

  • munlock()

  • munlockall()

  • munmap()

  • shm_open()

  • shm_unlink()

15.29. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

The following methods and variables in <sys/select.h> are not supported:

  • pselect()

15.30. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • recvmsg()

  • send()

  • sendmsg()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

  • socketpair()

The following methods and variables in <sys/socket.h> are not supported:

  • sockatmark()

15.31. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • chmod()

  • fchmod()

  • fstat()

  • lstat()

  • mkdir()

  • mkfifo()

  • stat()

  • umask()

15.32. <sys/time.h>

The following methods and variables in <sys/time.h> are supported:

  • times()

15.33. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

15.34. <sys/wait.h>

The following methods and variables in <sys/wait.h> are supported:

  • wait()

  • waitpid()

15.35. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime_r()

  • clock()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime_r()

  • difftime()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

The following methods in <time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • clock_getcpuclockid()

15.36. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • _exit()

  • access()

  • alarm()

  • chdir()

  • chown()

  • close()

  • dup()

  • dup2()

  • environ

  • fchown()

  • fdatasync()

  • fpathconf()

  • fsync()

  • ftruncate()

  • getcwd()

  • getegid()

  • geteuid()

  • getgid()

  • getgroups()

  • gethostname()

  • getlogin()

  • getpgrp()

  • getpid()

  • getppid()

  • getuid()

  • link()

  • lseek()

  • pathconf()

  • pause()

  • pipe()

  • read()

  • rmdir()

  • setegid()

  • seteuid()

  • setgid()

  • setsid()

  • setuid()

  • sleep()

  • sysconf()

  • unlink()

  • write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • execl()

  • execle()

  • execv()

  • execve()

  • fork()

The following methods and variables in <unistd.h> are not supported:

  • confstr()

15.37. <wchar.h>

The following methods and variables in <wchar.h> are supported:

  • btowc()

  • fgetwc()

  • fgetws()

  • fputwc()

  • fputws()

  • fwide()

  • fwprintf()

  • fwscanf()

  • getwc()

  • getwchar()

  • mbrlen()

  • mbrtowc()

  • mbsinit()

  • mbsrtowcs()

  • putwc()

  • putwchar()

  • swprintf()

  • swscanf()

  • ungetwc()

  • vfwprintf()

  • vfwscanf()

  • vswprintf()

  • vswscanf()

  • vwprintf()

  • vwscanf()

  • wcrtomb()

  • wcscat()

  • wcschr()

  • wcscmp()

  • wcscoll()

  • wcscpy()

  • wcscspn()

  • wcsftime()

  • wcslen()

  • wcsncat()

  • wcsncmp()

  • wcsncpy()

  • wcspbrk()

  • wcsrchr()

  • wcsrtombs()

  • wcsspn()

  • wcsstr()

  • wcstod()

  • wcstof()

  • wcstok()

  • wcstol()

  • wcstold()

  • wcstoll()

  • wcstoul()

  • wcstoull()

  • wcsxfrm()

  • wctob()

  • wmemchr()

  • wmemcmp()

  • wmemcpy()

  • wmemmove()

  • wmemset()

  • wprintf()

  • wscanf()

15.38. <wctype.h>

The following methods and variables in <wctype.h> are supported:

  • iswalnum()

  • iswalpha()

  • iswblank()

  • iswcntrl()

  • iswctype()

  • iswdigit()

  • iswgraph()

  • iswlower()

  • iswprint()

  • iswpunct()

  • iswspace()

  • iswupper()

  • iswxdigit()

  • towctrans()

  • towlower()

  • towupper()

  • wctrans()

  • wctype()

16. FACE 3.0 Security

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

16.1. Summary

The follow table summarizes alignment with the FACE 3.0 Security standard:

Supported

163

ENOSYS

1

Not supported

0

16.2. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

16.3. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

16.4. <devctl.h>

The following methods and variables in <devctl.h> are supported:

  • posix_devctl()

16.5. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

16.6. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosh()

  • asin()

  • asinh()

  • atan()

  • atan2()

  • atanh()

  • ceil()

  • cos()

  • cosh()

  • exp()

  • fabs()

  • floor()

  • fmod()

  • frexp()

  • isinf()

  • isnan()

  • ldexp()

  • log()

  • log10()

  • modf()

  • pow()

  • sin()

  • sinh()

  • sqrt()

  • tan()

  • tanh()

16.7. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • freeaddrinfo()

  • getaddrinfo()

  • getnameinfo()

16.8. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_init()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_create()

  • pthread_equal()

  • pthread_getschedparam()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_once()

  • pthread_self()

  • pthread_setschedparam()

  • pthread_setschedprio()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_getcpuclockid()

16.9. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_yield()

16.10. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_wait()

16.11. <signal.h>

The following methods and variables in <signal.h> are supported:

  • pthread_sigmask()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • sigpending()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

16.12. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • abs()

  • atof()

  • atoi()

  • atol()

  • div()

  • labs()

  • ldiv()

  • malloc()

  • rand_r()

  • strtod()

  • strtol()

  • strtoul()

16.13. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcpy()

  • strcspn()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok_r()

16.14. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mmap()

  • shm_open()

16.15. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • recv()

  • recvfrom()

  • send()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

16.16. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • stat()

16.17. <time.h>

The following methods and variables in <time.h> are supported:

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • nanosleep()

  • timer_create()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

16.18. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • alarm()

  • ftruncate()

  • pause()

17. FACE 3.0 Safety Base

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

17.1. Summary

The follow table summarizes alignment with the FACE 3.0 Safety Base standard:

Supported

246

ENOSYS

1

Not supported

0

17.2. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

17.3. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

17.4. <devctl.h>

The following methods and variables in <devctl.h> are supported:

  • posix_devctl()

17.5. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

17.6. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

17.7. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • open()

17.8. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosh()

  • asin()

  • asinh()

  • atan()

  • atan2()

  • atanh()

  • ceil()

  • cos()

  • cosh()

  • exp()

  • fabs()

  • floor()

  • fmod()

  • frexp()

  • isinf()

  • isnan()

  • ldexp()

  • log()

  • log10()

  • modf()

  • pow()

  • sin()

  • sinh()

  • sqrt()

  • tan()

  • tanh()

17.9. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

17.10. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • freeaddrinfo()

  • getaddrinfo()

  • getnameinfo()

17.11. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstacksize()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_create()

  • pthread_equal()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_key_create()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_once()

  • pthread_self()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_getcpuclockid()

17.12. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_yield()

17.13. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_wait()

17.14. <signal.h>

The following methods and variables in <signal.h> are supported:

  • pthread_sigmask()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • sigpending()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

17.15. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgets()

  • fileno()

  • fopen()

  • fprintf()

  • fread()

  • freopen()

  • fseek()

  • fseeko()

  • ftell()

  • ftello()

  • fwrite()

  • remove()

  • rename()

  • snprintf()

17.16. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • abs()

  • atof()

  • atoi()

  • atol()

  • calloc()

  • div()

  • labs()

  • ldiv()

  • malloc()

  • rand_r()

  • strtod()

  • strtol()

  • strtoul()

17.17. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcpy()

  • strcspn()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok_r()

17.18. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mmap()

  • shm_open()

17.19. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

17.20. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • recv()

  • recvfrom()

  • send()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

17.21. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • fstat()

  • mkdir()

  • stat()

  • umask()

17.22. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime_r()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime_r()

  • difftime()

  • gmtime_r()

  • localtime_r()

  • mktime()

  • nanosleep()

  • time()

  • timer_create()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

17.23. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • access()

  • alarm()

  • chdir()

  • close()

  • fsync()

  • ftruncate()

  • getcwd()

  • gethostname()

  • link()

  • lseek()

  • pause()

  • read()

  • rmdir()

  • unlink()

  • write()

18. FACE 3.0 Safety Extended

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

18.1. Summary

The follow table summarizes alignment with the FACE 3.0 Safety Extended standard:

Supported

316

ENOSYS

11

Not supported

9

18.2. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

18.3. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

18.4. <devctl.h>

The following methods and variables in <devctl.h> are supported:

  • posix_devctl()

18.5. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

18.6. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

18.7. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

18.8. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosh()

  • asin()

  • asinh()

  • atan()

  • atan2()

  • atanh()

  • ceil()

  • cos()

  • cosh()

  • exp()

  • fabs()

  • floor()

  • fmod()

  • frexp()

  • isinf()

  • isnan()

  • ldexp()

  • log()

  • log10()

  • modf()

  • pow()

  • sin()

  • sinh()

  • sqrt()

  • tan()

  • tanh()

18.9. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

18.10. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • freeaddrinfo()

  • getaddrinfo()

  • getnameinfo()

18.11. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstacksize()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_once()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

18.12. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

  • sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • sched_getparam()

  • sched_getscheduler()

  • sched_setparam()

  • sched_setscheduler()

18.13. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

18.14. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • siglongjmp()

  • sigsetjmp()

18.15. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • sigpending()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

18.16. <spawn.h>

The following methods and variables in <spawn.h> are not supported:

  • posix_spawn()

  • posix_spawnattr_destroy()

  • posix_spawnattr_getflags()

  • posix_spawnattr_getsigdefault()

  • posix_spawnattr_getsigmask()

  • posix_spawnattr_init()

  • posix_spawnattr_setflags()

  • posix_spawnattr_setsigdefault()

  • posix_spawnattr_setsigmask()

18.17. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_end()

  • va_start()

18.18. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fread()

  • freopen()

  • fseek()

  • fseeko()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • remove()

  • rename()

  • snprintf()

  • sscanf()

  • vfprintf()

  • vsnprintf()

18.19. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • abort()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • bsearch()

  • calloc()

  • div()

  • exit()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • malloc()

  • rand_r()

  • realloc()

  • strtod()

  • strtol()

  • strtoul()

18.20. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcpy()

  • strcspn()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok_r()

18.21. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mmap()

  • shm_open()

18.22. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

18.23. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • send()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

18.24. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • chmod()

  • fstat()

  • lstat()

  • mkdir()

  • mkfifo()

  • stat()

  • umask()

18.25. <sys/time.h>

The following methods and variables in <sys/time.h> are supported:

  • times()

18.26. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

18.27. <sys/wait.h>

The following methods and variables in <sys/wait.h> are supported:

  • waitpid()

18.28. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime_r()

  • clock()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime_r()

  • difftime()

  • gmtime_r()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

18.29. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • _exit()

  • access()

  • alarm()

  • chdir()

  • chown()

  • close()

  • dup2()

  • environ

  • fsync()

  • ftruncate()

  • getcwd()

  • getegid()

  • geteuid()

  • getgid()

  • getgroups()

  • gethostname()

  • getpgrp()

  • getpid()

  • getppid()

  • getuid()

  • link()

  • lseek()

  • pause()

  • pipe()

  • read()

  • rmdir()

  • setegid()

  • seteuid()

  • setgid()

  • setuid()

  • sleep()

  • sysconf()

  • unlink()

  • write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • execl()

  • execle()

  • execv()

  • execve()

  • fork()

19. FACE 3.0 General Purpose

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

19.1. Summary

The follow table summarizes alignment with the FACE 3.0 General Purpose standard:

Supported

707

ENOSYS

14

Not supported

46

19.2. <aio.h>

The following methods and variables in <aio.h> are supported:

  • aio_cancel()

  • aio_error()

  • aio_fsync()

  • aio_read()

  • aio_return()

  • aio_write()

The following methods in <aio.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • aio_suspend()

  • lio_listio()

19.3. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • inet_addr()

  • inet_ntoa()

  • inet_ntop()

  • inet_pton()

  • ntohl()

  • ntohs()

19.4. <assert.h>

The following methods and variables in <assert.h> are supported:

  • assert()

19.5. <complex.h>

The following methods and variables in <complex.h> are supported:

  • cabs()

  • cabsf()

  • cabsl()

  • cacos()

  • cacosf()

  • cacosh()

  • cacoshf()

  • cacoshl()

  • cacosl()

  • carg()

  • cargf()

  • cargl()

  • casin()

  • casinf()

  • casinh()

  • casinhf()

  • casinhl()

  • casinl()

  • catan()

  • catanf()

  • catanh()

  • catanhf()

  • catanhl()

  • catanl()

  • ccos()

  • ccosf()

  • ccosh()

  • ccoshf()

  • ccoshl()

  • ccosl()

  • cexp()

  • cexpf()

  • cexpl()

  • cimag()

  • cimagf()

  • cimagl()

  • clog()

  • clogf()

  • clogl()

  • conj()

  • conjf()

  • conjl()

  • cpow()

  • cpowf()

  • cpowl()

  • cproj()

  • cprojf()

  • cprojl()

  • creal()

  • crealf()

  • creall()

  • csin()

  • csinf()

  • csinh()

  • csinhf()

  • csinhl()

  • csinl()

  • csqrt()

  • csqrtf()

  • csqrtl()

  • ctan()

  • ctanf()

  • ctanh()

  • ctanhf()

  • ctanhl()

  • ctanl()

19.6. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

19.7. <devctl.h>

The following methods and variables in <devctl.h> are supported:

  • posix_devctl()

19.8. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

19.9. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

19.10. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • fcntl()

  • open()

19.11. <fenv.h>

The following methods and variables in <fenv.h> are not supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

19.12. <inttypes.h>

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

  • wcstoimax()

  • wcstoumax()

19.13. <locale.h>

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

19.14. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosf()

  • acosh()

  • acoshf()

  • acoshl()

  • acosl()

  • asin()

  • asinf()

  • asinh()

  • asinhf()

  • asinhl()

  • asinl()

  • atan()

  • atan2()

  • atan2f()

  • atan2l()

  • atanf()

  • atanh()

  • atanhf()

  • atanhl()

  • atanl()

  • cbrt()

  • cbrtf()

  • cbrtl()

  • ceil()

  • ceilf()

  • ceill()

  • copysign()

  • copysignf()

  • copysignl()

  • cos()

  • cosf()

  • cosh()

  • coshf()

  • coshl()

  • cosl()

  • erf()

  • erfc()

  • erfcf()

  • erfcl()

  • erff()

  • erfl()

  • exp()

  • exp2()

  • exp2f()

  • exp2l()

  • expf()

  • expl()

  • expm1()

  • expm1f()

  • expm1l()

  • fabs()

  • fabsf()

  • fabsl()

  • fdim()

  • fdimf()

  • fdiml()

  • floor()

  • floorf()

  • floorl()

  • fma()

  • fmaf()

  • fmal()

  • fmax()

  • fmaxf()

  • fmaxl()

  • fmin()

  • fminf()

  • fminl()

  • fmod()

  • fmodf()

  • fmodl()

  • frexp()

  • frexpf()

  • frexpl()

  • hypot()

  • hypotf()

  • hypotl()

  • ilogb()

  • ilogbf()

  • ilogbl()

  • isinf()

  • isnan()

  • ldexp()

  • ldexpf()

  • ldexpl()

  • lgamma()

  • lgammaf()

  • lgammal()

  • llrint()

  • llrintf()

  • llrintl()

  • llround()

  • llroundf()

  • llroundl()

  • log()

  • log10()

  • log10f()

  • log10l()

  • log1p()

  • log1pf()

  • log1pl()

  • log2()

  • log2f()

  • log2l()

  • logb()

  • logbf()

  • logbl()

  • logf()

  • logl()

  • lrint()

  • lrintf()

  • lrintl()

  • lround()

  • lroundf()

  • lroundl()

  • modf()

  • modff()

  • modfl()

  • nan()

  • nanf()

  • nanl()

  • nearbyint()

  • nearbyintf()

  • nearbyintl()

  • nextafter()

  • nextafterf()

  • nextafterl()

  • nexttoward()

  • nexttowardl()

  • pow()

  • powf()

  • powl()

  • remainder()

  • remainderf()

  • remainderl()

  • remquo()

  • remquof()

  • remquol()

  • rint()

  • rintf()

  • rintl()

  • round()

  • roundf()

  • roundl()

  • scalbln()

  • scalblnf()

  • scalblnl()

  • scalbn()

  • scalbnf()

  • scalbnl()

  • sin()

  • sinf()

  • sinh()

  • sinhf()

  • sinhl()

  • sinl()

  • sqrt()

  • sqrtf()

  • sqrtl()

  • tan()

  • tanf()

  • tanh()

  • tanhf()

  • tanhl()

  • tanl()

  • tgamma()

  • tgammaf()

  • tgammal()

  • trunc()

  • truncf()

  • truncl()

The following methods and variables in <math.h> are not supported:

  • fpclassify()

  • isfinite()

  • isgreater()

  • isgreaterequal()

  • isless()

  • islessequal()

  • islessgreater()

  • isnormal()

  • isunordered()

  • nexttowardf()

  • signbit()

19.15. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_close()

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_timedreceive()

  • mq_timedsend()

  • mq_unlink()

19.16. <net/if.h>

The following methods and variables in <net/if.h> are supported:

  • if_freenameindex()

  • if_indextoname()

  • if_nameindex()

  • if_nametoindex()

19.17. <netdb.h>

The following methods and variables in <netdb.h> are supported:

  • endhostent()

  • endnetent()

  • endprotoent()

  • endservent()

  • freeaddrinfo()

  • gai_strerror()

  • getaddrinfo()

  • gethostent()

  • getnameinfo()

  • getnetbyaddr()

  • getnetbyname()

  • getnetent()

  • getprotobyname()

  • getprotobynumber()

  • getprotoent()

  • getservbyname()

  • getservbyport()

  • getservent()

  • sethostent()

  • setnetent()

  • setprotoent()

  • setservent()

19.18. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstacksize()

  • pthread_barrier_destroy()

  • pthread_barrier_init()

  • pthread_barrier_wait()

  • pthread_barrierattr_destroy()

  • pthread_barrierattr_init()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_getpshared()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_condattr_setpshared()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getconcurrency()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_setpshared()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_rwlock_destroy()

  • pthread_rwlock_init()

  • pthread_rwlock_rdlock()

  • pthread_rwlock_timedrdlock()

  • pthread_rwlock_timedwrlock()

  • pthread_rwlock_tryrdlock()

  • pthread_rwlock_trywrlock()

  • pthread_rwlock_unlock()

  • pthread_rwlock_wrlock()

  • pthread_rwlockattr_destroy()

  • pthread_rwlockattr_init()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setconcurrency()

  • pthread_setschedparam()

  • pthread_setschedprio()

  • pthread_setspecific()

  • pthread_testcancel()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • pthread_atfork()

  • pthread_getcpuclockid()

19.19. <sched.h>

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

  • sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • sched_getparam()

  • sched_getscheduler()

  • sched_setparam()

  • sched_setscheduler()

19.20. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

19.21. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

  • siglongjmp()

  • sigsetjmp()

19.22. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigqueue()

  • sigsuspend()

  • sigtimedwait()

  • sigwait()

  • sigwaitinfo()

19.23. <spawn.h>

The following methods and variables in <spawn.h> are not supported:

  • posix_spawn()

  • posix_spawn_file_actions_addclose()

  • posix_spawn_file_actions_adddup2()

  • posix_spawn_file_actions_addopen()

  • posix_spawn_file_actions_destroy()

  • posix_spawn_file_actions_init()

  • posix_spawnattr_destroy()

  • posix_spawnattr_getflags()

  • posix_spawnattr_getpgroup()

  • posix_spawnattr_getschedparam()

  • posix_spawnattr_getschedpolicy()

  • posix_spawnattr_getsigdefault()

  • posix_spawnattr_getsigmask()

  • posix_spawnattr_init()

  • posix_spawnattr_setflags()

  • posix_spawnattr_setpgroup()

  • posix_spawnattr_setschedparam()

  • posix_spawnattr_setschedpolicy()

  • posix_spawnattr_setsigdefault()

  • posix_spawnattr_setsigmask()

  • posix_spawnp()

19.24. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

19.25. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgetpos()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • fsetpos()

  • ftell()

  • ftello()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • tmpfile()

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

19.26. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • _Exit()

  • abort()

  • abs()

  • atexit()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • exit()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • llabs()

  • lldiv()

  • malloc()

  • mblen()

  • mbstowcs()

  • mbtowc()

  • qsort()

  • rand()

  • rand_r()

  • realloc()

  • setenv()

  • srand()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

  • wcstombs()

  • wctomb()

19.27. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strcat()

  • strchr()

  • strcmp()

  • strcoll()

  • strcpy()

  • strcspn()

  • strerror()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

19.28. <sys/mman.h>

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • mprotect()

  • msync()

  • munlock()

  • munlockall()

  • munmap()

  • shm_open()

  • shm_unlink()

19.29. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • FD_CLR()

  • FD_ISSET()

  • FD_SET()

  • FD_ZERO()

  • select()

The following methods and variables in <sys/select.h> are not supported:

  • pselect()

19.30. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getpeername()

  • getsockname()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • recvmsg()

  • send()

  • sendmsg()

  • sendto()

  • setsockopt()

  • shutdown()

  • socket()

  • socketpair()

The following methods and variables in <sys/socket.h> are not supported:

  • sockatmark()

19.31. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • chmod()

  • fchmod()

  • fstat()

  • lstat()

  • mkdir()

  • mkfifo()

  • stat()

  • umask()

19.32. <sys/time.h>

The following methods and variables in <sys/time.h> are supported:

  • times()

19.33. <sys/utsname.h>

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

19.34. <sys/wait.h>

The following methods and variables in <sys/wait.h> are supported:

  • wait()

  • waitpid()

19.35. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime_r()

  • clock()

  • clock_getres()

  • clock_gettime()

  • clock_nanosleep()

  • clock_settime()

  • ctime_r()

  • difftime()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

  • tzname

  • tzset()

The following methods in <time.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • clock_getcpuclockid()

19.36. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • _exit()

  • access()

  • alarm()

  • chdir()

  • chown()

  • close()

  • dup()

  • dup2()

  • environ

  • fchown()

  • fdatasync()

  • fpathconf()

  • fsync()

  • ftruncate()

  • getcwd()

  • getegid()

  • geteuid()

  • getgid()

  • getgroups()

  • gethostname()

  • getlogin()

  • getpgrp()

  • getpid()

  • getppid()

  • getuid()

  • link()

  • lseek()

  • pathconf()

  • pause()

  • pipe()

  • read()

  • rmdir()

  • setegid()

  • seteuid()

  • setgid()

  • setsid()

  • setuid()

  • sleep()

  • sysconf()

  • unlink()

  • write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

  • execl()

  • execle()

  • execv()

  • execve()

  • fork()

The following methods and variables in <unistd.h> are not supported:

  • confstr()

19.37. <wchar.h>

The following methods and variables in <wchar.h> are supported:

  • btowc()

  • fgetwc()

  • fgetws()

  • fputwc()

  • fputws()

  • fwide()

  • fwprintf()

  • fwscanf()

  • getwc()

  • getwchar()

  • mbrlen()

  • mbrtowc()

  • mbsinit()

  • mbsrtowcs()

19.38. <wctype.h>

The following methods and variables in <wctype.h> are supported:

  • iswalnum()

  • iswalpha()

  • iswblank()

  • iswcntrl()

  • iswctype()

  • iswdigit()

  • iswgraph()

  • iswlower()

  • iswprint()

  • iswpunct()

  • iswspace()

  • iswupper()

  • iswxdigit()

  • towctrans()

  • towlower()

  • towupper()

  • wctrans()

  • wctype()

20. SCA 2.2.2 AEP

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

20.1. Summary

The follow table summarizes alignment with the SCA 2.2.2 AEP standard:

Supported

244

ENOSYS

0

Not supported

0

20.2. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

20.3. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

20.4. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • open()

20.5. <locale.h>

The following methods and variables in <locale.h> are supported:

  • setlocale()

20.6. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • asin()

  • atan()

  • atan2()

  • ceil()

  • cos()

  • cosh()

  • exp()

  • fabs()

  • floor()

  • fmod()

  • frexp()

  • ldexp()

  • log()

  • log10()

  • modf()

  • pow()

  • sin()

  • sinh()

  • sqrt()

  • tan()

  • tanh()

20.7. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getguardsize()

  • pthread_attr_getinheritsched()

  • pthread_attr_getschedparam()

  • pthread_attr_getschedpolicy()

  • pthread_attr_getscope()

  • pthread_attr_getstack()

  • pthread_attr_getstackaddr()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setdetachstate()

  • pthread_attr_setguardsize()

  • pthread_attr_setinheritsched()

  • pthread_attr_setschedparam()

  • pthread_attr_setschedpolicy()

  • pthread_attr_setscope()

  • pthread_attr_setstack()

  • pthread_attr_setstackaddr()

  • pthread_attr_setstacksize()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_getclock()

  • pthread_condattr_getpshared()

  • pthread_condattr_init()

  • pthread_condattr_setclock()

  • pthread_condattr_setpshared()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_getprioceiling()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_setprioceiling()

  • pthread_mutex_timedlock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_destroy()

  • pthread_mutexattr_getprioceiling()

  • pthread_mutexattr_getprotocol()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • pthread_mutexattr_setpshared()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setschedparam()

  • pthread_setspecific()

  • pthread_testcancel()

20.8. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

20.9. <setjmp.h>

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

20.10. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigsuspend()

  • sigwait()

20.11. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgets()

  • fileno()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • ftell()

  • ftello()

  • fwrite()

  • getc()

  • getchar()

  • gets()

  • perror()

  • printf()

  • putc()

  • putchar()

  • puts()

  • remove()

  • rename()

  • rewind()

  • scanf()

  • setbuf()

  • setvbuf()

  • sprintf()

  • sscanf()

  • tmpfile()

  • tmpnam()

  • ungetc()

20.12. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • abort()

  • abs()

  • atof()

  • atoi()

  • atol()

  • bsearch()

  • calloc()

  • free()

  • malloc()

  • qsort()

  • rand()

  • rand_r()

  • realloc()

  • srand()

20.13. <string.h>

The following methods and variables in <string.h> are supported:

  • strcat()

  • strchr()

  • strcmp()

  • strcpy()

  • strcspn()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

20.14. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • fstat()

  • mkdir()

  • stat()

20.15. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime()

  • asctime_r()

  • clock_getres()

  • clock_gettime()

  • clock_settime()

  • ctime()

  • ctime_r()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

20.16. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • access()

  • chdir()

  • close()

  • fpathconf()

  • getcwd()

  • link()

  • lseek()

  • pathconf()

  • pause()

  • read()

  • rmdir()

  • unlink()

  • write()

20.17. <utime.h>

The following methods and variables in <utime.h> are supported:

  • utime()

21. SCA 4.1 Ultra Lightweight AEP

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

21.1. Summary

The follow table summarizes alignment with the SCA 4.1 Ultra Lightweight AEP standard:

Supported

22

ENOSYS

0

Not supported

0

21.2. <math.h>

The following methods and variables in <math.h> are supported:

  • exp()

  • exp2()

21.3. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_open()

  • mq_receive()

  • mq_send()

21.4. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setinheritsched()

  • pthread_create()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_settype()

  • pthread_self()

21.5. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_init()

  • sem_post()

  • sem_wait()

21.6. <time.h>

The following methods and variables in <time.h> are supported:

  • clock_getres()

  • clock_gettime()

  • timer_create()

  • timer_settime()

22. SCA 4.1 Lightweight AEP

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

22.1. Summary

The follow table summarizes alignment with the SCA 4.1 Lightweight AEP standard:

Supported

111

ENOSYS

0

Not supported

0

22.2. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

22.3. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • open()

22.4. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosh()

  • asin()

  • asinh()

  • atan()

  • atan2()

  • atanh()

  • ceil()

  • cos()

  • cosh()

  • exp()

  • exp2()

  • fabs()

  • floor()

  • fmod()

  • frexp()

  • ldexp()

  • log()

  • log10()

  • log2()

  • modf()

  • pow()

  • round()

  • sin()

  • sinh()

  • sqrt()

  • tan()

  • tanh()

  • trunc()

22.5. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_open()

  • mq_receive()

  • mq_send()

22.6. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getschedparam()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setinheritsched()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_wait()

  • pthread_create()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_settype()

  • pthread_self()

22.7. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_getvalue()

  • sem_init()

  • sem_post()

  • sem_wait()

22.8. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • sscanf()

22.9. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • abs()

  • atof()

  • atoi()

  • atol()

  • bsearch()

  • calloc()

  • free()

  • malloc()

  • qsort()

  • rand()

  • realloc()

  • srand()

22.10. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strchr()

  • strcmp()

  • strcspn()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

22.11. <time.h>

The following methods and variables in <time.h> are supported:

  • clock_getres()

  • clock_gettime()

  • gmtime()

  • localtime()

  • mktime()

  • strftime()

  • time()

  • timer_create()

  • timer_gettime()

  • timer_settime()

22.12. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • close()

  • read()

  • write()

23. SCA 4.1 [Full] AEP

This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.

23.1. Summary

The follow table summarizes alignment with the SCA 4.1 [Full] AEP standard:

Supported

256

ENOSYS

0

Not supported

0

23.2. <arpa/inet.h>

The following methods and variables in <arpa/inet.h> are supported:

  • htonl()

  • htons()

  • ntohl()

  • ntohs()

23.3. <ctype.h>

The following methods and variables in <ctype.h> are supported:

  • isalnum()

  • isalpha()

  • isblank()

  • iscntrl()

  • isdigit()

  • isgraph()

  • islower()

  • isprint()

  • ispunct()

  • isspace()

  • isupper()

  • isxdigit()

  • tolower()

  • toupper()

23.4. <dirent.h>

The following methods and variables in <dirent.h> are supported:

  • closedir()

  • opendir()

  • readdir()

  • readdir_r()

  • rewinddir()

23.5. <errno.h>

The following methods and variables in <errno.h> are supported:

  • errno

23.6. <fcntl.h>

The following methods and variables in <fcntl.h> are supported:

  • creat()

  • open()

23.7. <math.h>

The following methods and variables in <math.h> are supported:

  • acos()

  • acosh()

  • asin()

  • asinh()

  • atan()

  • atan2()

  • atanh()

  • ceil()

  • cos()

  • cosh()

  • exp()

  • exp2()

  • fabs()

  • floor()

  • fmod()

  • frexp()

  • ldexp()

  • log()

  • log10()

  • log2()

  • modf()

  • pow()

  • round()

  • sin()

  • sinh()

  • sqrt()

  • tan()

  • tanh()

  • trunc()

23.8. <mqueue.h>

The following methods and variables in <mqueue.h> are supported:

  • mq_close()

  • mq_getattr()

  • mq_notify()

  • mq_open()

  • mq_receive()

  • mq_send()

  • mq_setattr()

  • mq_unlink()

23.9. <pthread.h>

The following methods and variables in <pthread.h> are supported:

  • pthread_attr_destroy()

  • pthread_attr_getdetachstate()

  • pthread_attr_getschedparam()

  • pthread_attr_getstacksize()

  • pthread_attr_init()

  • pthread_attr_setinheritsched()

  • pthread_cancel()

  • pthread_cleanup_pop()

  • pthread_cleanup_push()

  • pthread_cond_broadcast()

  • pthread_cond_destroy()

  • pthread_cond_init()

  • pthread_cond_signal()

  • pthread_cond_timedwait()

  • pthread_cond_wait()

  • pthread_condattr_destroy()

  • pthread_condattr_init()

  • pthread_create()

  • pthread_detach()

  • pthread_equal()

  • pthread_exit()

  • pthread_getschedparam()

  • pthread_getspecific()

  • pthread_join()

  • pthread_key_create()

  • pthread_key_delete()

  • pthread_mutex_destroy()

  • pthread_mutex_init()

  • pthread_mutex_lock()

  • pthread_mutex_trylock()

  • pthread_mutex_unlock()

  • pthread_mutexattr_getpshared()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_settype()

  • pthread_once()

  • pthread_self()

  • pthread_setcancelstate()

  • pthread_setcanceltype()

  • pthread_setschedparam()

  • pthread_setspecific()

  • pthread_testcancel()

23.10. <semaphore.h>

The following methods and variables in <semaphore.h> are supported:

  • sem_close()

  • sem_destroy()

  • sem_getvalue()

  • sem_init()

  • sem_open()

  • sem_post()

  • sem_timedwait()

  • sem_trywait()

  • sem_unlink()

  • sem_wait()

23.11. <signal.h>

The following methods and variables in <signal.h> are supported:

  • kill()

  • pthread_kill()

  • pthread_sigmask()

  • raise()

  • sigaction()

  • sigaddset()

  • sigdelset()

  • sigemptyset()

  • sigfillset()

  • sigismember()

  • signal()

  • sigpending()

  • sigprocmask()

  • sigsuspend()

  • sigwait()

23.12. <stdarg.h>

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

23.13. <stdio.h>

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgets()

  • fileno()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • fseek()

  • fseeko()

  • ftell()

  • ftello()

  • fwrite()

  • getc()

  • getchar()

  • perror()

  • printf()

  • putc()

  • putchar()

  • remove()

  • rename()

  • rewind()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sscanf()

  • ungetc()

  • vsnprintf()

23.14. <stdlib.h>

The following methods and variables in <stdlib.h> are supported:

  • abort()

  • abs()

  • atof()

  • atoi()

  • atol()

  • bsearch()

  • calloc()

  • free()

  • labs()

  • malloc()

  • qsort()

  • rand()

  • rand_r()

  • realloc()

  • srand()

  • strtod()

  • strtol()

  • strtoul()

23.15. <string.h>

The following methods and variables in <string.h> are supported:

  • memchr()

  • memcmp()

  • memcpy()

  • memmove()

  • memset()

  • strchr()

  • strcmp()

  • strcoll()

  • strcspn()

  • strerror()

  • strerror_r()

  • strlen()

  • strncat()

  • strncmp()

  • strncpy()

  • strpbrk()

  • strrchr()

  • strspn()

  • strstr()

  • strtok()

  • strtok_r()

  • strxfrm()

23.16. <sys/select.h>

The following methods and variables in <sys/select.h> are supported:

  • select()

23.17. <sys/socket.h>

The following methods and variables in <sys/socket.h> are supported:

  • accept()

  • bind()

  • connect()

  • getsockopt()

  • listen()

  • recv()

  • recvfrom()

  • send()

  • sendto()

  • setsockopt()

  • socket()

23.18. <sys/stat.h>

The following methods and variables in <sys/stat.h> are supported:

  • fstat()

  • mkdir()

  • stat()

23.19. <time.h>

The following methods and variables in <time.h> are supported:

  • asctime_r()

  • clock_getres()

  • clock_gettime()

  • clock_settime()

  • ctime_r()

  • gmtime()

  • gmtime_r()

  • localtime()

  • localtime_r()

  • mktime()

  • nanosleep()

  • strftime()

  • time()

  • timer_create()

  • timer_delete()

  • timer_getoverrun()

  • timer_gettime()

  • timer_settime()

23.20. <unistd.h>

The following methods and variables in <unistd.h> are supported:

  • access()

  • chdir()

  • close()

  • fpathconf()

  • getcwd()

  • link()

  • lseek()

  • pathconf()

  • pause()

  • read()

  • rmdir()

  • unlink()

  • write()