muteximpl.h

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/*  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.
 */

#include <rtems/posix/mutex.h>
#include <rtems/score/coremuteximpl.h>

#include <errno.h>

#ifndef _RTEMS_POSIX_MUTEXIMPL_H
#define _RTEMS_POSIX_MUTEXIMPL_H

#ifdef __cplusplus
extern "C" {
#endif

POSIX_EXTERN Objects_Information  _POSIX_Mutex_Information;

POSIX_EXTERN pthread_mutexattr_t _POSIX_Mutex_Default_attributes;

extern const int _POSIX_Mutex_Return_codes[CORE_MUTEX_STATUS_LAST + 1];

void _POSIX_Mutex_Manager_initialization(void);

RTEMS_INLINE_ROUTINE POSIX_Mutex_Control *_POSIX_Mutex_Allocate( void )
{
  return (POSIX_Mutex_Control *) _Objects_Allocate( &_POSIX_Mutex_Information );
}

RTEMS_INLINE_ROUTINE void _POSIX_Mutex_Free(
  POSIX_Mutex_Control *the_mutex
)
{
  _CORE_mutex_Destroy( &the_mutex->Mutex );
  _Objects_Free( &_POSIX_Mutex_Information, &the_mutex->Object );
}


int _POSIX_Mutex_Lock_support(
  pthread_mutex_t           *mutex,
  bool                       blocking,
  Watchdog_Interval          timeout
);

RTEMS_INLINE_ROUTINE int _POSIX_Mutex_Translate_core_mutex_return_code(
  CORE_mutex_Status  the_mutex_status
)
{
  /*
   *  Internal consistency check for bad status from SuperCore
   */
  #if defined(RTEMS_DEBUG)
    if ( the_mutex_status > CORE_MUTEX_STATUS_LAST )
      return EINVAL;
  #endif
  return _POSIX_Mutex_Return_codes[the_mutex_status];
}

POSIX_Mutex_Control *_POSIX_Mutex_Get (
  pthread_mutex_t   *mutex,
  Objects_Locations *location
);

POSIX_Mutex_Control *_POSIX_Mutex_Get_interrupt_disable (
  pthread_mutex_t   *mutex,
  Objects_Locations *location,
  ISR_lock_Context  *lock_context
);

#ifdef __cplusplus
}
#endif

#endif
/*  end of include file */