Files
rtems/cpukit/score/src/apimutexlock.c
Sebastian Huber 95e09afa92 score: Avoid direct usage of _Thread_Executing
Pass the executing thread as a function parameter.  Obtain the executing
thread inside a thread dispatch critical section to avoid problems on
SMP.
2013-07-18 09:58:58 +02:00

47 lines
789 B
C

/**
* @file
*
* @brief Acquires the specified API mutex.
*
* @ingroup ScoreAPIMutex
*/
/*
* COPYRIGHT (c) 1989-2007.
* 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.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/apimutex.h>
#include <rtems/score/coremuteximpl.h>
void _API_Mutex_Lock(
API_Mutex_Control *the_mutex
)
{
ISR_Level level;
#if defined(RTEMS_SMP)
_Thread_Disable_dispatch();
#endif
_ISR_Disable( level );
_CORE_mutex_Seize(
&the_mutex->Mutex,
_Thread_Executing,
the_mutex->Object.id,
true,
0,
level
);
}