source: rtems/cpukit/posix/src/semdestroy.c @ e7bd66a7

4.104.114.84.95
Last change on this file since e7bd66a7 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: 1.2 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 *  11.2.2 Destroy an Unnamed Semaphore, P1003.1b-1993, p.220
26 */
27
28int sem_destroy(
29  sem_t *sem
30)
31{
32  register POSIX_Semaphore_Control *the_semaphore;
33  Objects_Locations                 location;
34 
35  the_semaphore = _POSIX_Semaphore_Get( sem, &location );
36  switch ( location ) {
37    case OBJECTS_ERROR:
38      rtems_set_errno_and_return_minus_one( EINVAL );
39    case OBJECTS_REMOTE:
40      _Thread_Dispatch();
41      return POSIX_MP_NOT_IMPLEMENTED();
42      rtems_set_errno_and_return_minus_one( EINVAL );
43    case OBJECTS_LOCAL:
44      /*
45       *  Undefined operation on a named semaphore.
46       */
47
48      if ( the_semaphore->named == TRUE ) {
49        _Thread_Enable_dispatch();
50        rtems_set_errno_and_return_minus_one( EINVAL );
51      }
52 
53      _POSIX_Semaphore_Delete( the_semaphore );
54      _Thread_Enable_dispatch();
55      return 0;
56  }
57  return POSIX_BOTTOM_REACHED();
58}
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