1 /*
2 * rwlock2_t.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 rwlock object, timed-lock it,
37 * and then unlock it again.
38 *
39 * Depends on API functions:
40 * pthread_rwlock_timedrdlock()
41 * pthread_rwlock_unlock()
42 */
43
44 #include "test.h"
45 #include <sys/timeb.h>
46
47 pthread_rwlock_t rwlock = PTHREAD_RWLOCK_INITIALIZER;
48
49 int
main()50 main()
51 {
52 struct timespec abstime = { 0, 0 };
53 struct _timeb currSysTime;
54 const DWORD NANOSEC_PER_MILLISEC = 1000000;
55
56 _ftime(&currSysTime);
57
58 abstime.tv_sec = currSysTime.time;
59 abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
60
61 abstime.tv_sec += 1;
62
63 assert(rwlock == PTHREAD_RWLOCK_INITIALIZER);
64
65 assert(pthread_rwlock_timedrdlock(&rwlock, &abstime) == 0);
66
67 assert(rwlock != PTHREAD_RWLOCK_INITIALIZER);
68
69 assert(rwlock != NULL);
70
71 assert(pthread_rwlock_unlock(&rwlock) == 0);
72
73 assert(pthread_rwlock_destroy(&rwlock) == 0);
74
75 assert(rwlock == NULL);
76
77 return 0;
78 }
79