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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/threadimpl.h>
void _API_Mutex_Lock( API_Mutex_Control *the_mutex )
{
Thread_Life_state previous_thread_life_state;
previous_thread_life_state =
_Thread_Set_life_protection( THREAD_LIFE_PROTECTED );
_Mutex_recursive_Acquire( &the_mutex->Mutex );
if ( the_mutex->Mutex._nest_level == 0 ) {
the_mutex->previous_thread_life_state = previous_thread_life_state;
}
}
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