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/**
* @file
*
* @brief Private Inlined Routines for POSIX Mutex's.
*
* This include file contains the static inline implementation of the private
* inlined routines for POSIX mutex's.
*/
/* COPYRIGHT (c) 1989-2013.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef _RTEMS_POSIX_MUTEXIMPL_H
#define _RTEMS_POSIX_MUTEXIMPL_H
#include <rtems/posix/mutex.h>
#include <rtems/score/coremuteximpl.h>
#include <errno.h>
#include <pthread.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* The following defines the information control block used to manage
* this class of objects.
*/
extern Objects_Information _POSIX_Mutex_Information;
/**
* The default mutex attributes structure.
*/
extern pthread_mutexattr_t _POSIX_Mutex_Default_attributes;
/**
* @brief POSIX Mutex Allocate
*
* This function allocates a mutexes control block from
* the inactive chain of free mutexes control blocks.
*/
RTEMS_INLINE_ROUTINE POSIX_Mutex_Control *_POSIX_Mutex_Allocate( void )
{
return (POSIX_Mutex_Control *) _Objects_Allocate( &_POSIX_Mutex_Information );
}
/**
* @brief POSIX Mutex Free
*
* This routine frees a mutexes control block to the
* inactive chain of free mutexes control blocks.
*/
RTEMS_INLINE_ROUTINE void _POSIX_Mutex_Free(
POSIX_Mutex_Control *the_mutex
)
{
_Objects_Free( &_POSIX_Mutex_Information, &the_mutex->Object );
}
/**
* @brief POSIX Mutex Lock Support Method
*
* A support routine which implements guts of the blocking, non-blocking, and
* timed wait version of mutex lock.
*/
int _POSIX_Mutex_Lock_support(
pthread_mutex_t *mutex,
bool blocking,
Watchdog_Interval timeout
);
/**
* @brief POSIX Mutex Get (Interrupt Disable)
*
* A support routine which translates the mutex id into a local pointer.
* As a side-effect, it may create the mutex.
*
* @note: This version of the method uses an interrupt critical section.
*/
POSIX_Mutex_Control *_POSIX_Mutex_Get(
pthread_mutex_t *mutex,
Thread_queue_Context *queue_context
);
RTEMS_INLINE_ROUTINE POSIX_Mutex_Control *_POSIX_Mutex_Get_no_protection(
const pthread_mutex_t *mutex
)
{
return (POSIX_Mutex_Control *) _Objects_Get_no_protection(
(Objects_Id) *mutex,
&_POSIX_Mutex_Information
);
}
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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