RTEMS 4.9.5 On-Line Library

Semaphore Manager Directives

RTEMS POSIX API User's Guide

9.4: Directives

Semaphore Manager sem_init - Initialize an unnamed semaphore

Semaphore Manager sem_destroy - Destroy an unnamed semaphore

Semaphore Manager sem_open - Open a named semaphore

Semaphore Manager sem_close - Close a named semaphore

Semaphore Manager sem_unlink - Unlink a semaphore

Semaphore Manager sem_wait - Wait on a Semaphore

Semaphore Manager sem_trywait - Non-blocking Wait on a Semaphore

Semaphore Manager sem_timedwait - Wait on a Semaphore for a Specified Time

Semaphore Manager sem_post - Unlock a Semaphore

Semaphore Manager sem_getvalue - Get the value of a semaphore

This section details the semaphore manager's directives. A subsection is dedicated to each of this manager's directives and describes the calling sequence, related constants, usage, and status codes.

RTEMS POSIX API User's Guide