source: rtems/cpukit/posix/src/pthreadequal.c @ 3239698

4.104.114.84.95
Last change on this file since 3239698 was 3239698, checked in by Ralf Corsepius <ralf.corsepius@…>, on 04/15/04 at 13:26:21

Remove stray white spaces.

  • Property mode set to 100644
File size: 1.7 KB
Line 
1/*
2 *  16.1.7 Compare Thread IDs, p1003.1c/Draft 10, p. 153
3 *
4 *  NOTE:  POSIX does not define the behavior when either thread id is invalid.
5 *
6 *  COPYRIGHT (c) 1989-1999.
7 *  On-Line Applications Research Corporation (OAR).
8 *
9 *  The license and distribution terms for this file may be
10 *  found in the file LICENSE in this distribution or at
11 *  http://www.rtems.com/license/LICENSE.
12 *
13 *  $Id$
14 */
15
16#if HAVE_CONFIG_H
17#include "config.h"
18#endif
19
20#include <pthread.h>
21#include <errno.h>
22
23#include <rtems/system.h>
24#include <rtems/posix/pthread.h>
25#include <rtems/score/thread.h>
26
27int pthread_equal(
28  pthread_t  t1,
29  pthread_t  t2
30)
31{
32  /*
33   *  If the system is configured for debug, then we will do everything we
34   *  can to insure that both ids are valid.  Otherwise, we will do the
35   *  cheapest possible thing to determine if they are equal.
36   */
37
38#ifndef RTEMS_DEBUG
39  return _Objects_Are_ids_equal( t1, t2 );
40#else
41  int               status;
42  Objects_Locations location;
43
44  /*
45   *  By default this is not a match.
46   */
47
48  status = 0;
49
50  /*
51   *  Validate the first id and return 0 if it is not valid
52   */
53
54  (void) _POSIX_Threads_Get( t1, &location );
55  switch ( location ) {
56    case OBJECTS_ERROR:
57    case OBJECTS_REMOTE:
58      break;
59
60    case OBJECTS_LOCAL:
61
62      /*
63       *  Validate the second id and return 0 if it is not valid
64       */
65
66      (void) _POSIX_Threads_Get( t2, &location );
67      switch ( location ) {
68        case OBJECTS_ERROR:
69        case OBJECTS_REMOTE:
70          break;
71        case OBJECTS_LOCAL:
72          status = _Objects_Are_ids_equal( t1, t2 );
73          break;
74      }
75      _Thread_Unnest_dispatch();
76      break;
77  }
78
79  _Thread_Enable_dispatch();
80  return status;
81#endif
82}
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