blob: f0f114e0bf6e61f70fcebd568ecdb9b94b616f7c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/**
* @file
*
* @brief Releases 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>
void _API_Mutex_Unlock( API_Mutex_Control *the_mutex )
{
Thread_queue_Context queue_context;
Thread_Life_state previous_thread_life_state;
bool restore_thread_life_protection;
previous_thread_life_state = the_mutex->previous_thread_life_state;
restore_thread_life_protection = the_mutex->Mutex.nest_count == 1;
_Thread_queue_Context_initialize( &queue_context, NULL );
_ISR_lock_ISR_disable( &queue_context.Lock_context );
_CORE_mutex_Surrender( &the_mutex->Mutex, &queue_context );
if ( restore_thread_life_protection ) {
_Thread_Set_life_protection( previous_thread_life_state );
}
}
|