1 /*
2 * mutex2e.c
3 *
4 *
5 * --------------------------------------------------------------------------
6 *
7 * Pthreads-win32 - POSIX Threads Library for Win32
8 * Copyright(C) 1998 John E. Bossom
9 * Copyright(C) 1999,2005 Pthreads-win32 contributors
10 *
11 * Contact Email: rpj@callisto.canberra.edu.au
12 *
13 * The current list of contributors is contained
14 * in the file CONTRIBUTORS included with the source
15 * code distribution. The list can also be seen at the
16 * following World Wide Web location:
17 * http://sources.redhat.com/pthreads-win32/contributors.html
18 *
19 * This library is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU Lesser General Public
21 * License as published by the Free Software Foundation; either
22 * version 2 of the License, or (at your option) any later version.
23 *
24 * This library is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * Lesser General Public License for more details.
28 *
29 * You should have received a copy of the GNU Lesser General Public
30 * License along with this library in the file COPYING.LIB;
31 * if not, write to the Free Software Foundation, Inc.,
32 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
33 *
34 * --------------------------------------------------------------------------
35 *
36 * Declare a static mutex object, lock it,
37 * and then unlock it again.
38 *
39 * Depends on API functions:
40 * pthread_mutex_lock()
41 * pthread_mutex_unlock()
42 */
43
44 #include "test.h"
45
46 pthread_mutex_t mutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER;
47
48 int
main()49 main()
50 {
51 assert(mutex == PTHREAD_ERRORCHECK_MUTEX_INITIALIZER);
52
53 assert(pthread_mutex_lock(&mutex) == 0);
54
55 assert(mutex != PTHREAD_ERRORCHECK_MUTEX_INITIALIZER);
56
57 assert(mutex != NULL);
58
59 assert(pthread_mutex_unlock(&mutex) == 0);
60
61 assert(pthread_mutex_destroy(&mutex) == 0);
62
63 assert(mutex == NULL);
64
65 return 0;
66 }
67