source: rtems/cpukit/posix/src/mutexlocksupp.c @ 0061ef98

4.104.114.84.9
Last change on this file since 0061ef98 was 0061ef98, checked in by Joel Sherrill <joel.sherrill@…>, on Mar 26, 2007 at 10:56:12 PM

2007-03-26 Joel Sherrill <joel@…>

PR 1231/cpukit

  • posix/src/adasupp.c, posix/src/clockgetcpuclockid.c, posix/src/clockgetenableattr.c, posix/src/clockgetres.c, posix/src/clockgettime.c, posix/src/clocksetenableattr.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/mutexmp.c, posix/src/mutexsetprioceiling.c, posix/src/mutextimedlock.c, posix/src/mutextrylock.c, posix/src/mutexunlock.c, posix/src/nanosleep.c, posix/src/posixintervaltotimespec.c, posix/src/posixtimespecsubtract.c, posix/src/posixtimespectointerval.c, posix/src/psignalclearprocesssignals.c, posix/src/psignalclearsignals.c, posix/src/psignalsetprocesssignals.c, posix/src/psignalunblockthread.c, posix/src/ptimer.c, posix/src/ptimer1.c, posix/src/sched.c, posix/src/time.c: Remove unneeded includes of assert.h
  • Property mode set to 100644
File size: 1.5 KB
Line 
1/*
2 *  $Id$
3 */
4
5#if HAVE_CONFIG_H
6#include "config.h"
7#endif
8
9#include <errno.h>
10#include <pthread.h>
11
12#include <rtems/system.h>
13#include <rtems/score/coremutex.h>
14#include <rtems/score/watchdog.h>
15#if defined(RTEMS_MULTIPROCESSING)
16#include <rtems/score/mpci.h>
17#endif
18#include <rtems/posix/mutex.h>
19#include <rtems/posix/priority.h>
20#include <rtems/posix/time.h>
21
22/*PAGE
23 *
24 *  _POSIX_Mutex_Lock_support
25 *
26 *  A support routine which implements guts of the blocking, non-blocking, and
27 *  timed wait version of mutex lock.
28 */
29
30int _POSIX_Mutex_Lock_support(
31  pthread_mutex_t           *mutex,
32  boolean                    blocking,
33  Watchdog_Interval          timeout
34)
35{
36  register POSIX_Mutex_Control *the_mutex;
37  Objects_Locations             location;
38  ISR_Level                     level;
39
40  the_mutex = _POSIX_Mutex_Get_interrupt_disable( mutex, &location, &level );
41  switch ( location ) {
42    case OBJECTS_REMOTE:
43#if defined(RTEMS_MULTIPROCESSING)
44      return _POSIX_Mutex_MP_Send_request_packet(
45          POSIX_MUTEX_MP_OBTAIN_REQUEST,
46          *mutex,
47          0,   /* must define the option set */
48          WATCHDOG_NO_TIMEOUT
49      );
50#endif
51    case OBJECTS_ERROR:
52      return EINVAL;
53    case OBJECTS_LOCAL:
54      _CORE_mutex_Seize(
55        &the_mutex->Mutex,
56        the_mutex->Object.id,
57        blocking,
58        timeout,
59        level
60      );
61      return _POSIX_Mutex_From_core_mutex_status(
62        (CORE_mutex_Status) _Thread_Executing->Wait.return_code
63      );
64  }
65  return POSIX_BOTTOM_REACHED();
66}
Note: See TracBrowser for help on using the repository browser.