blob: c5e73bcb2631d3c526a4f3dbcb8850ab93dec9e4 (
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* POSIX Barrier Manager -- Wait at a Barrier
*
* 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 <pthread.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/posix/barrier.h>
/*
* pthread_barrier_wait
*
* This directive allows a thread to wait at a barrier.
*
* Input parameters:
* barrier - barrier id
*
* Output parameters:
* 0 - if successful
* PTHREAD_BARRIER_SERIAL_THREAD - if successful
* error code - if unsuccessful
*/
int pthread_barrier_wait(
pthread_barrier_t *barrier
)
{
POSIX_Barrier_Control *the_barrier = NULL;
Objects_Locations location;
if ( !barrier )
return EINVAL;
the_barrier = _POSIX_Barrier_Get( barrier, &location );
switch ( location ) {
case OBJECTS_LOCAL:
_CORE_barrier_Wait(
&the_barrier->Barrier,
the_barrier->Object.id,
true,
0,
NULL
);
_Thread_Enable_dispatch();
return _POSIX_Barrier_Translate_core_barrier_return_code(
_Thread_Executing->Wait.return_code );
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
break;
}
return EINVAL;
}
|
