blob: c4385b02fa0dcf7128c65ec6067e81d8c29e0e8d (
plain)
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
42
43
44
45
46
47
|
/**
* @file
*
* @brief RTEMS Barrier Release
* @ingroup ClassicBarrier Barriers
*/
/*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/barrierimpl.h>
rtems_status_code rtems_barrier_release(
rtems_id id,
uint32_t *released
)
{
Barrier_Control *the_barrier;
Thread_queue_Context queue_context;
if ( released == NULL ) {
return RTEMS_INVALID_ADDRESS;
}
the_barrier = _Barrier_Get( id, &queue_context );
if ( the_barrier == NULL ) {
return RTEMS_INVALID_ID;
}
_CORE_barrier_Acquire_critical( &the_barrier->Barrier, &queue_context );
*released = _CORE_barrier_Surrender(
&the_barrier->Barrier,
&queue_context
);
return RTEMS_SUCCESSFUL;
}
|
