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/**
* @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.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/apimutex.h>
#include <rtems/score/coremuteximpl.h>
#include <rtems/score/threadimpl.h>
void _API_Mutex_Lock( API_Mutex_Control *the_mutex )
{
bool previous_thread_life_protection;
ISR_Level level;
previous_thread_life_protection = _Thread_Set_life_protection( true );
#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
);
if ( the_mutex->Mutex.nest_count == 1 ) {
the_mutex->previous_thread_life_protection =
previous_thread_life_protection;
}
#if defined(RTEMS_SMP)
_Thread_Enable_dispatch();
#endif
}
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