mutexinit.c File Reference

Initialize a Mutex. More...

#include <rtems/posix/muteximpl.h>
#include <rtems/posix/posixapi.h>
#include <rtems/posix/priorityimpl.h>
#include <rtems/score/schedulerimpl.h>
#include <limits.h>

Functions
	RTEMS_STATIC_ASSERT (offsetof(POSIX_Mutex_Control, flags)==offsetof(pthread_mutex_t, _flags), POSIX_MUTEX_CONTROL_FLAGS)
	RTEMS_STATIC_ASSERT (offsetof(POSIX_Mutex_Control, Recursive)==offsetof(pthread_mutex_t, _Recursive), POSIX_MUTEX_CONTROL_RECURSIVE)
	RTEMS_STATIC_ASSERT (offsetof(POSIX_Mutex_Control, Priority_ceiling)==offsetof(pthread_mutex_t, _Priority_ceiling), POSIX_MUTEX_CONTROL_PRIORITY_CEILING)
	RTEMS_STATIC_ASSERT (offsetof(POSIX_Mutex_Control, scheduler)==offsetof(pthread_mutex_t, _scheduler), POSIX_MUTEX_CONTROL_SCHEDULER)
	RTEMS_STATIC_ASSERT (sizeof(POSIX_Mutex_Control)==sizeof(pthread_mutex_t), POSIX_MUTEX_CONTROL_SIZE)
int	pthread_mutex_init (pthread_mutex_t *mutex, const pthread_mutexattr_t *attr)

Variables
const pthread_mutexattr_t	_POSIX_Mutex_Default_attributes

Detailed Description

Initialize a Mutex.

Function Documentation

pthread_mutex_init()

int pthread_mutex_init	(	pthread_mutex_t *	mutex,
		const pthread_mutexattr_t *	attr
	)

11.3.2 Initializing and Destroying a Mutex, P1003.1c/Draft 10, p. 87

NOTE: XXX Could be optimized so all the attribute error checking is not performed when attr is NULL.

Variable Documentation

_POSIX_Mutex_Default_attributes

const pthread_mutexattr_t _POSIX_Mutex_Default_attributes

Initial value:

= {



  .is_initialized = true,
  .process_shared = PTHREAD_PROCESS_PRIVATE,
  .prio_ceiling   = INT_MAX,
  .protocol       = PTHREAD_PRIO_NONE,
  .recursive      = false
}

The default mutex attributes structure.