source: rtems/cpukit/itron/src/del_sem.c @ fb27af76

4.104.114.84.95
Last change on this file since fb27af76 was fb27af76, checked in by Joel Sherrill <joel.sherrill@…>, on 11/15/99 at 16:39:01

Split ITRON semaphore manager into multiple files.

  • Property mode set to 100644
File size: 1.4 KB
Line 
1/*
2 *  The license and distribution terms for this file may be
3 *  found in the file LICENSE in this distribution or at
4 *  http://www.OARcorp.com/rtems/license.html.
5 *
6 *  $Id$
7 */
8
9#include <itron.h>
10
11#include <rtems/itron/semaphore.h>
12#include <rtems/itron/task.h>
13#include <rtems/score/tod.h>
14
15/*
16 *  del_sem - Delete Semaphore
17 *
18 *  This function implements the ITRON 3.0 del_sem() service.
19 */
20
21ER del_sem(
22  ID semid
23)
24{
25  ITRON_Semaphore_Control *the_semaphore;
26  Objects_Locations        location;
27 
28  the_semaphore = _ITRON_Semaphore_Get( semid, &location );
29  switch ( location ) {
30    case OBJECTS_REMOTE:               /* Multiprocessing not supported */
31    case OBJECTS_ERROR:
32      return _ITRON_Semaphore_Clarify_get_id_error( semid );
33 
34    case OBJECTS_LOCAL:
35      _CORE_semaphore_Flush(
36        &the_semaphore->semaphore,
37        NULL,                          /* Multiprocessing not supported */
38        CORE_SEMAPHORE_WAS_DELETED
39      );
40
41      _ITRON_Objects_Close(
42        &_ITRON_Semaphore_Information,
43        &the_semaphore->Object
44      );
45
46      _ITRON_Semaphore_Free( the_semaphore );
47
48  /*
49   *  If multiprocessing were supported, this is where we would announce
50   *  the destruction of the semaphore to the rest of the system.
51   */
52
53#if defined(RTEMS_MULTIPROCESSING)
54#endif
55
56    _Thread_Enable_dispatch();
57    return E_OK;
58
59  }
60  return E_OK;
61}
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