c/src/exec/posix/src/semaphoredeletesupp.c


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

/*
 *  $Id$
 */

#include <stdarg.h>

#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <semaphore.h>
#include <limits.h>

#include <rtems/system.h>
#include <rtems/score/object.h>
#include <rtems/posix/semaphore.h>
#include <rtems/posix/time.h>
#include <rtems/posix/seterr.h>

/*PAGE
 *
 *  _POSIX_Semaphore_Delete
 */

void _POSIX_Semaphore_Delete(
  POSIX_Semaphore_Control *the_semaphore
)
{
  if ( !the_semaphore->linked && !the_semaphore->open_count ) {
    _POSIX_Semaphore_Free( the_semaphore );

#if defined(RTEMS_MULTIPROCESSING)
    if ( the_semaphore->process_shared == PTHREAD_PROCESS_SHARED ) {

      _Objects_MP_Close(
        &_POSIX_Semaphore_Information,
        the_semaphore->Object.id
      );

      _POSIX_Semaphore_MP_Send_process_packet(
        POSIX_SEMAPHORE_MP_ANNOUNCE_DELETE,
        the_semaphore->Object.id,
        0,                         /* Not used */
        0                          /* Not used */
      );
    }
#endif

  }
}