source: rtems/c/src/exec/posix/src/semclose.c @ e180a77e

4.104.114.84.95
Last change on this file since e180a77e was e180a77e, checked in by Joel Sherrill <joel.sherrill@…>, on 01/04/02 at 18:28:24

2002-01-04 Ralf Corsepius <corsepiu@…>

  • src/clockgetres.c: Apply rtems_set_errno_and_return_minus_one.
  • src/clockgettime.c: Apply rtems_set_errno_and_return_minus_one.
  • src/clocksettime.c: Apply rtems_set_errno_and_return_minus_one.
  • src/killinfo.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueueclose.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuecreatesupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuegetattr.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuenotify.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueueopen.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuerecvsupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuesendsupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuesetattr.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueueunlink.c: Apply rtems_set_errno_and_return_minus_one.
  • src/nanosleep.c: Apply rtems_set_errno_and_return_minus_one.
  • src/pthreadkill.c: Apply rtems_set_errno_and_return_minus_one.
  • src/pthreadsigmask.c: Apply rtems_set_errno_and_return_minus_one.
  • src/ptimer1.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sched.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semaphorecreatesupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semaphorewaitsupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semclose.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semdestroy.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semgetvalue.c: Apply rtems_set_errno_and_return_minus_one.
  • src/seminit.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semopen.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sempost.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semunlink.c: Apply rtems_set_errno_and_return_minus_one.
  • src/setpgid.c: Apply rtems_set_errno_and_return_minus_one.
  • src/setsid.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigaction.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigaddset.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigdelset.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigemptyset.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigfillset.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigismember.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigpending.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigtimedwait.c: Apply rtems_set_errno_and_return_minus_one.
  • src/utsname.c: Apply rtems_set_errno_and_return_minus_one.
  • 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      rtems_set_errno_and_return_minus_one( EINVAL );
44    case OBJECTS_REMOTE:
45      _Thread_Dispatch();
46      return POSIX_MP_NOT_IMPLEMENTED();
47      rtems_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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