source: rtems/cpukit/posix/src/condsignalsupp.c @ 92f4671

4.104.115
Last change on this file since 92f4671 was f8437c8, checked in by Ralf Corsepius <ralf.corsepius@…>, on 09/04/08 at 15:23:12

Convert to "bool".

  • 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 <pthread.h>
17#include <errno.h>
18
19#include <rtems/system.h>
20#include <rtems/score/object.h>
21#include <rtems/score/states.h>
22#include <rtems/score/watchdog.h>
23#include <rtems/posix/cond.h>
24#include <rtems/posix/time.h>
25#include <rtems/posix/mutex.h>
26
27/*PAGE
28 *
29 *  _POSIX_Condition_variables_Signal_support
30 *
31 *  A support routine which implements guts of the broadcast and single task
32 *  wake up version of the "signal" operation.
33 */
34
35int _POSIX_Condition_variables_Signal_support(
36  pthread_cond_t            *cond,
37  bool                       is_broadcast
38)
39{
40  register POSIX_Condition_variables_Control *the_cond;
41  Objects_Locations                           location;
42  Thread_Control                             *the_thread;
43
44  the_cond = _POSIX_Condition_variables_Get( cond, &location );
45  switch ( location ) {
46
47    case OBJECTS_LOCAL:
48      do {
49        the_thread = _Thread_queue_Dequeue( &the_cond->Wait_queue );
50        if ( !the_thread )
51          the_cond->Mutex = POSIX_CONDITION_VARIABLES_NO_MUTEX;
52      } while ( is_broadcast && the_thread );
53
54      _Thread_Enable_dispatch();
55
56      return 0;
57
58#if defined(RTEMS_MULTIPROCESSING)
59    case OBJECTS_REMOTE:
60#endif
61    case OBJECTS_ERROR:
62      break;
63  }
64
65  return EINVAL;
66}
Note: See TracBrowser for help on using the repository browser.