source: rtems/cpukit/posix/src/semclose.c @ aaf6063

4.104.114.84.95
Last change on this file since aaf6063 was f42b726, checked in by Joel Sherrill <joel.sherrill@…>, on 01/24/01 at 14:17:28

2001-01-24 Ralf Corsepius <corsepiu@…>

  • configure.in: Add src/config.h
  • src/Makefile.am: Add INCLUDES += -I. to pickup config.h
  • src/.cvsignore: Add config.h and stamp-h
  • src/*.c: Add config.h support.
  • Property mode set to 100644
File size: 1.1 KB
Line 
1/*
2 *  $Id$
3 */
4
5#if HAVE_CONFIG_H
6#include "config.h"
7#endif
8
9#include <stdarg.h>
10
11#include <errno.h>
12#include <fcntl.h>
13#include <pthread.h>
14#include <semaphore.h>
15#include <limits.h>
16
17#include <rtems/system.h>
18#include <rtems/score/object.h>
19#include <rtems/posix/semaphore.h>
20#include <rtems/posix/time.h>
21#include <rtems/seterr.h>
22
23
24/*PAGE
25 *
26 *  sem_close
27 * 
28 *  Routine to close a semaphore that has been opened or initialized.
29 * 
30 *  11.2.4 Close a Named Semaphore, P1003.1b-1993, p.224
31 */
32
33int sem_close(
34  sem_t *sem
35)
36{
37  register POSIX_Semaphore_Control *the_semaphore;
38  Objects_Locations                 location;
39 
40  the_semaphore = _POSIX_Semaphore_Get( sem, &location );
41  switch ( location ) {
42    case OBJECTS_ERROR:
43      set_errno_and_return_minus_one( EINVAL );
44    case OBJECTS_REMOTE:
45      _Thread_Dispatch();
46      return POSIX_MP_NOT_IMPLEMENTED();
47      set_errno_and_return_minus_one( EINVAL );
48    case OBJECTS_LOCAL:
49      the_semaphore->open_count -= 1;
50      _POSIX_Semaphore_Delete( the_semaphore );
51      _Thread_Enable_dispatch();
52      return 0;
53  }
54  return POSIX_BOTTOM_REACHED();
55}
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