LibIO Internal Interface. More...

#include <sys/uio.h>
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <rtems.h>
#include <rtems/libio.h>
#include <rtems/seterr.h>
#include <rtems/score/assert.h>
#include <rtems/userenv.h>

Data Structures
struct	rtems_filesystem_eval_path_generic_config

Macros
#define	RTEMS_FILESYSTEM_SYMLOOP_MAX 32

#define	F_DUP2FD 20

#define	rtems_libio_iop_to_descriptor(_iop) ((_iop) - &rtems_libio_iops[0])

#define	rtems_libio_check_is_open(_iop)

#define	LIBIO_GET_IOP(_fd, _iop)
	Macro to get the iop for the specified file descriptor. More...

#define	LIBIO_GET_IOP_WITH_ACCESS(_fd, _iop, _access_flags, _access_error)
	Macro to get the iop for the specified file descriptor with access flags and error. More...

#define	rtems_libio_check_buffer(_buffer)

#define	rtems_libio_check_count(_count)

#define	rtems_filesystem_mt_entry_declare_lock_context(ctx) rtems_interrupt_lock_context ctx

#define	rtems_filesystem_mt_entry_lock(ctx) rtems_interrupt_lock_acquire( &rtems_filesystem_mt_entry_lock_control, &ctx )

#define	rtems_filesystem_mt_entry_unlock(ctx) rtems_interrupt_lock_release( &rtems_filesystem_mt_entry_lock_control, &ctx )

Typedefs
typedef bool(*	rtems_filesystem_eval_path_is_directory) (rtems_filesystem_eval_path_context_t ctx, void arg)
	Tests if the current location is a directory. More...

typedef rtems_filesystem_eval_path_generic_status(*	rtems_filesystem_eval_path_eval_token) (rtems_filesystem_eval_path_context_t ctx, void arg, const char *token, size_t tokenlen)
	Evaluates a token. More...

typedef ssize_t(*	rtems_libio_iovec_adapter) (rtems_libio_t iop, const struct iovec iov, int iovcnt, ssize_t total)

Enumerations
enum	rtems_filesystem_eval_path_generic_status { RTEMS_FILESYSTEM_EVAL_PATH_GENERIC_CONTINUE, RTEMS_FILESYSTEM_EVAL_PATH_GENERIC_DONE, RTEMS_FILESYSTEM_EVAL_PATH_GENERIC_NO_ENTRY }

Functions
void	rtems_filesystem_location_clone (rtems_filesystem_location_info_t clone, const rtems_filesystem_location_info_t master)
	Clones a node. More...

void	rtems_filesystem_location_free (rtems_filesystem_location_info_t *loc)
	Releases all resources of a location. More...

void	rtems_libio_lock (void)

void	rtems_libio_unlock (void)

rtems_libio_t *	rtems_libio_allocate (void)

unsigned int	rtems_libio_fcntl_flags (int fcntl_flags)

int	rtems_libio_to_fcntl_flags (unsigned int flags)

void	rtems_libio_free (rtems_libio_t *iop)

rtems_filesystem_location_info_t *	rtems_filesystem_eval_path_start (rtems_filesystem_eval_path_context_t ctx, const char path, int eval_flags)

rtems_filesystem_location_info_t *	rtems_filesystem_eval_path_start_with_parent (rtems_filesystem_eval_path_context_t ctx, const char path, int eval_flags, rtems_filesystem_location_info_t *parentloc, int parent_eval_flags)

rtems_filesystem_location_info_t *	rtems_filesystem_eval_path_start_with_root_and_current (rtems_filesystem_eval_path_context_t ctx, const char path, size_t pathlen, int eval_flags, rtems_filesystem_global_location_t const global_root_ptr, rtems_filesystem_global_location_t const global_current_ptr)

void	rtems_filesystem_eval_path_continue (rtems_filesystem_eval_path_context_t *ctx)

void	rtems_filesystem_eval_path_cleanup (rtems_filesystem_eval_path_context_t *ctx)

void	rtems_filesystem_eval_path_recursive (rtems_filesystem_eval_path_context_t ctx, const char path, size_t pathlen)

void	rtems_filesystem_eval_path_cleanup_with_parent (rtems_filesystem_eval_path_context_t ctx, rtems_filesystem_location_info_t parentloc)

void	rtems_filesystem_eval_path_restart (rtems_filesystem_eval_path_context_t ctx, rtems_filesystem_global_location_t *newstartloc_ptr)
	Requests a path evaluation restart. More...

void	rtems_filesystem_eval_path_generic (rtems_filesystem_eval_path_context_t ctx, void arg, const rtems_filesystem_eval_path_generic_config *config)

void	rtems_filesystem_initialize (void)
	Base File System Initialization. More...

rtems_filesystem_location_info_t *	rtems_filesystem_location_copy (rtems_filesystem_location_info_t dst, const rtems_filesystem_location_info_t src)
	Copies a location. More...

rtems_filesystem_global_location_t *	rtems_filesystem_location_transform_to_global (rtems_filesystem_location_info_t *loc)

void	rtems_filesystem_global_location_assign (rtems_filesystem_global_location_t *lhs_global_loc_ptr, rtems_filesystem_global_location_t rhs_global_loc)
	Assigns a global file system location. More...

rtems_filesystem_global_location_t *	rtems_filesystem_global_location_obtain (rtems_filesystem_global_location_t const global_loc_ptr)
	Obtains a global file system location. More...

void	rtems_filesystem_global_location_release (rtems_filesystem_global_location_t *global_loc, bool deferred)
	Releases a global file system location. More...

void	rtems_filesystem_location_detach (rtems_filesystem_location_info_t *detach)

void	rtems_filesystem_location_copy_and_detach (rtems_filesystem_location_info_t copy, rtems_filesystem_location_info_t detach)

int	rtems_filesystem_mknod (const rtems_filesystem_location_info_t parentloc, const char name, size_t namelen, mode_t mode, dev_t dev)

int	rtems_filesystem_chdir (rtems_filesystem_location_info_t *loc)

int	rtems_filesystem_chmod (const rtems_filesystem_location_info_t *loc, mode_t mode)

int	rtems_filesystem_chown (const rtems_filesystem_location_info_t *loc, uid_t owner, gid_t group)

void	rtems_filesystem_location_remove_from_mt_entry (rtems_filesystem_location_info_t *loc)

void	rtems_filesystem_do_unmount (rtems_filesystem_mount_table_entry_t *mt_entry)

void	rtems_filesystem_eval_path_eat_delimiter (rtems_filesystem_eval_path_context_t *ctx)

void	rtems_filesystem_eval_path_next_token (rtems_filesystem_eval_path_context_t *ctx)

void	rtems_filesystem_eval_path_error (rtems_filesystem_eval_path_context_t *ctx, int eno)

int	rtems_filesystem_location_exists_in_same_instance_as (const rtems_filesystem_location_info_t a, const rtems_filesystem_location_info_t b)
	Checks that the locations exist in the same file system instance. More...

bool	rtems_filesystem_check_access (int flags, mode_t object_mode, uid_t object_uid, gid_t object_gid)
	Checks if access to an object is allowed for the current user. More...

bool	rtems_filesystem_eval_path_check_access (rtems_filesystem_eval_path_context_t *ctx, int eval_flags, mode_t node_mode, uid_t node_uid, gid_t node_gid)

Variables
const uint32_t	rtems_libio_number_iops

rtems_libio_t	rtems_libio_iops []

void *	rtems_libio_iop_free_head

void **	rtems_libio_iop_free_tail

const rtems_filesystem_file_handlers_r	rtems_filesystem_null_handlers

rtems_filesystem_mount_table_entry_t	rtems_filesystem_null_mt_entry

rtems_filesystem_global_location_t	rtems_filesystem_global_location_null
	The global null location. More...

rtems_interrupt_lock	rtems_filesystem_mt_entry_lock_control

Detailed Description

LibIO Internal Interface.

This file is the libio internal interface.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description