source: rtems/cpukit/posix/src/semaphorewaitsupp.c @ feaa007

4.104.114.95
Last change on this file since feaa007 was feaa007, checked in by Joel Sherrill <joel.sherrill@…>, on 12/17/07 at 16:19:14

2007-12-17 Joel Sherrill <joel.sherrill@…>

  • posix/preinstall.am, posix/include/aio.h, posix/include/devctl.h, posix/include/mqueue.h, posix/include/sched.h, posix/include/semaphore.h, posix/include/rtems/posix/cancel.h, posix/include/rtems/posix/priority.h, posix/include/rtems/posix/psignal.h, posix/include/rtems/posix/threadsup.h, posix/include/rtems/posix/timer.h, posix/inline/rtems/posix/priority.inl, posix/src/barrierattrdestroy.c, posix/src/barrierattrgetpshared.c, posix/src/barrierattrinit.c, posix/src/barrierattrsetpshared.c, posix/src/cancel.c, posix/src/cancelrun.c, posix/src/cleanuppop.c, posix/src/cleanuppush.c, posix/src/cond.c, posix/src/condattrdestroy.c, posix/src/condattrgetpshared.c, posix/src/condattrinit.c, posix/src/condattrsetpshared.c, posix/src/condbroadcast.c, posix/src/conddefaultattributes.c, posix/src/conddestroy.c, posix/src/condinit.c, posix/src/condsignal.c, posix/src/condsignalsupp.c, posix/src/condwait.c, posix/src/condwaitsupp.c, posix/src/key.c, posix/src/keycreate.c, posix/src/keydelete.c, posix/src/keygetspecific.c, posix/src/keyrundestructors.c, posix/src/keysetspecific.c, posix/src/mqueue.c, posix/src/mqueueclose.c, posix/src/mqueuecreatesupp.c, posix/src/mqueuedeletesupp.c, posix/src/mqueuegetattr.c, posix/src/mqueuenametoid.c, posix/src/mqueuenotify.c, posix/src/mqueueopen.c, posix/src/mqueuereceive.c, posix/src/mqueuerecvsupp.c, posix/src/mqueuesend.c, posix/src/mqueuesendsupp.c, posix/src/mqueuesetattr.c, posix/src/mqueueunlink.c, posix/src/mutex.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/mutexlock.c, posix/src/mutexlocksupp.c, posix/src/mutexsetprioceiling.c, posix/src/mutextrylock.c, posix/src/mutexunlock.c, posix/src/psignal.c, posix/src/psignalchecksignal.c, posix/src/psignalclearprocesssignals.c, posix/src/psignalclearsignals.c, posix/src/psignalsetprocesssignals.c, posix/src/psignalunblockthread.c, posix/src/ptimer.c, posix/src/rwlockattrdestroy.c, posix/src/rwlockattrgetpshared.c, posix/src/rwlockattrinit.c, posix/src/rwlockattrsetpshared.c, posix/src/semaphore.c, posix/src/semaphoredeletesupp.c, posix/src/semaphorenametoid.c, posix/src/semaphorewaitsupp.c, posix/src/semclose.c, posix/src/semdestroy.c, posix/src/semgetvalue.c, posix/src/seminit.c, posix/src/semopen.c, posix/src/sempost.c, posix/src/semtrywait.c, posix/src/semunlink.c, posix/src/semwait.c, posix/src/setcancelstate.c, posix/src/setcanceltype.c, posix/src/sysconf.c, posix/src/testcancel.c: Add missing copyright statements.
  • Property mode set to 100644
File size: 1.5 KB
Line 
1/*
2 *  COPYRIGHT (c) 1989-2007.
3 *  On-Line Applications Research Corporation (OAR).
4 *
5 *  The license and distribution terms for this file may be
6 *  found in the file LICENSE in this distribution or at
7 *  http://www.rtems.com/license/LICENSE.
8 *
9 *  $Id$
10 */
11
12#if HAVE_CONFIG_H
13#include "config.h"
14#endif
15
16#include <stdarg.h>
17
18#include <errno.h>
19#include <fcntl.h>
20#include <pthread.h>
21#include <semaphore.h>
22#include <limits.h>
23
24#include <rtems/system.h>
25#include <rtems/score/object.h>
26#include <rtems/posix/semaphore.h>
27#include <rtems/posix/time.h>
28#include <rtems/seterr.h>
29
30/*PAGE
31 *
32 *  _POSIX_Semaphore_Wait_support
33 */
34
35int _POSIX_Semaphore_Wait_support(
36  sem_t                          *sem,
37  Core_semaphore_Blocking_option  blocking,
38  Watchdog_Interval               timeout
39)
40{
41  POSIX_Semaphore_Control *the_semaphore;
42  Objects_Locations        location;
43
44  the_semaphore = _POSIX_Semaphore_Get( sem, &location );
45  switch ( location ) {
46
47    case OBJECTS_LOCAL:
48      _CORE_semaphore_Seize(
49        &the_semaphore->Semaphore,
50        the_semaphore->Object.id,
51        blocking,
52        timeout
53      );
54      _Thread_Enable_dispatch();
55
56      if ( !_Thread_Executing->Wait.return_code )
57        return 0;
58
59      rtems_set_errno_and_return_minus_one(
60        _POSIX_Semaphore_Translate_core_semaphore_return_code(
61          _Thread_Executing->Wait.return_code
62        )
63      );
64
65#if defined(RTEMS_MULTIPROCESSING)
66    case OBJECTS_REMOTE:
67#endif
68    case OBJECTS_ERROR:
69      break;
70  }
71
72  rtems_set_errno_and_return_minus_one( EINVAL );
73}
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