source: rtems/cpukit/posix/src/semunlink.c @ b8596d8

4.104.114.95
Last change on this file since b8596d8 was b8596d8, checked in by Joel Sherrill <joel.sherrill@…>, on 11/28/07 at 18:35:31

2007-11-28 Joel Sherrill <joel.sherrill@…>

  • posix/Makefile.am, posix/preinstall.am, posix/src/cancel.c, posix/src/conddestroy.c, posix/src/condinit.c, posix/src/condsignalsupp.c, posix/src/condwaitsupp.c, posix/src/mqueueclose.c, posix/src/mqueuecreatesupp.c, posix/src/mqueuedeletesupp.c, posix/src/mqueuegetattr.c, posix/src/mqueuenotify.c, posix/src/mqueuerecvsupp.c, posix/src/mqueuesendsupp.c, posix/src/mqueuesetattr.c, posix/src/mqueueunlink.c, posix/src/mutexattrdestroy.c, posix/src/mutexattrgetprioceiling.c, posix/src/mutexattrgetprotocol.c, posix/src/mutexattrgetpshared.c, posix/src/mutexattrinit.c, posix/src/mutexattrsetprioceiling.c, posix/src/mutexattrsetprotocol.c, posix/src/mutexattrsetpshared.c, posix/src/mutexdefaultattributes.c, posix/src/mutexdestroy.c, posix/src/mutexgetprioceiling.c, posix/src/mutexinit.c, posix/src/mutexlocksupp.c, posix/src/mutexsetprioceiling.c, posix/src/mutexunlock.c, posix/src/semaphorecreatesupp.c, posix/src/semaphoredeletesupp.c, posix/src/semaphorewaitsupp.c, posix/src/semclose.c, posix/src/semdestroy.c, posix/src/semgetvalue.c, posix/src/sempost.c, posix/src/semunlink.c, posix/src/types.c, score/cpu/powerpc/rtems/old-exceptions/cpu.h: Remove all pretense of POSIX MP support. The support in place was only a shell. This should make maintenance easier.
  • posix/include/rtems/posix/condmp.h, posix/include/rtems/posix/mqueuemp.h, posix/include/rtems/posix/mutexmp.h, posix/include/rtems/posix/pthreadmp.h, posix/include/rtems/posix/semaphoremp.h, posix/src/condmp.c, posix/src/mutexmp.c, posix/src/semaphoremp.c: Removed.
  • Property mode set to 100644
File size: 1.2 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/*PAGE
24 *
25 *  sem_unlink
26 *
27 *  Unlinks a named semaphore, sem_close must also be called to remove
28 *  the semaphore.
29 *
30 *  11.2.5 Remove a Named Semaphore, P1003.1b-1993, p.225
31 */
32
33int sem_unlink(
34  const char *name
35)
36{
37  int  status;
38  register POSIX_Semaphore_Control *the_semaphore;
39  sem_t                        the_semaphore_id;
40
41  _Thread_Disable_dispatch();
42
43  status = _POSIX_Semaphore_Name_to_id( name, &the_semaphore_id );
44  if ( status != 0 ) {
45    _Thread_Enable_dispatch();
46    rtems_set_errno_and_return_minus_one( status );
47  }
48
49  the_semaphore = (POSIX_Semaphore_Control *) _Objects_Get_local_object(
50    &_POSIX_Semaphore_Information,
51    _Objects_Get_index( the_semaphore_id )
52  );
53
54  the_semaphore->linked = FALSE;
55  _POSIX_Semaphore_Namespace_remove( the_semaphore );
56  _POSIX_Semaphore_Delete( the_semaphore );
57
58  _Thread_Enable_dispatch();
59  return 0;
60}
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