1/*
2 * pthread_equal.c
3 *
4 * Description:
5 * This translation unit implements miscellaneous thread functions.
6 *
7 * --------------------------------------------------------------------------
8 *
9 *      Pthreads-win32 - POSIX Threads Library for Win32
10 *      Copyright(C) 1998 John E. Bossom
11 *      Copyright(C) 1999,2005 Pthreads-win32 contributors
12 *
13 *      Contact Email: rpj@callisto.canberra.edu.au
14 *
15 *      The current list of contributors is contained
16 *      in the file CONTRIBUTORS included with the source
17 *      code distribution. The list can also be seen at the
18 *      following World Wide Web location:
19 *      http://sources.redhat.com/pthreads-win32/contributors.html
20 *
21 *      This library is free software; you can redistribute it and/or
22 *      modify it under the terms of the GNU Lesser General Public
23 *      License as published by the Free Software Foundation; either
24 *      version 2 of the License, or (at your option) any later version.
25 *
26 *      This library is distributed in the hope that it will be useful,
27 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
28 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
29 *      Lesser General Public License for more details.
30 *
31 *      You should have received a copy of the GNU Lesser General Public
32 *      License along with this library in the file COPYING.LIB;
33 *      if not, write to the Free Software Foundation, Inc.,
34 *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
35 */
36
37#include "pthread.h"
38#include "implement.h"
39
40
41int
42pthread_equal (pthread_t t1, pthread_t t2)
43     /*
44      * ------------------------------------------------------
45      * DOCPUBLIC
46      *      This function returns nonzero if t1 and t2 are equal, else
47      *      returns zero
48      *
49      * PARAMETERS
50      *      t1,
51      *      t2
52      *              thread IDs
53      *
54      *
55      * DESCRIPTION
56      *      This function returns nonzero if t1 and t2 are equal, else
57      *      returns zero.
58      *
59      * RESULTS
60      *              non-zero        if t1 and t2 refer to the same thread,
61      *              0               t1 and t2 do not refer to the same thread
62      *
63      * ------------------------------------------------------
64      */
65{
66  int result;
67
68  /*
69   * We also accept NULL == NULL - treating NULL as a thread
70   * for this special case, because there is no error that we can return.
71   */
72  result = ( t1.p == t2.p && t1.x == t2.x );
73
74  return (result);
75
76}				/* pthread_equal */
77