1 /*
2 * mutex8.c
3 *
4 *
5 * Pthreads-win32 - POSIX Threads Library for Win32
6 * Copyright (C) 1998 Ben Elliston and Ross Johnson
7 * Copyright (C) 1999,2000,2001 Ross Johnson
8 *
9 * Contact Email: rpj@ise.canberra.edu.au
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 *
25 * --------------------------------------------------------------------------
26 *
27 * Test the default (type not set) mutex type exercising timedlock.
28 * Thread locks mutex, another thread timedlocks the mutex.
29 * Timed thread should timeout.
30 *
31 * Depends on API functions:
32 * pthread_mutex_lock()
33 * pthread_mutex_timedlock()
34 * pthread_mutex_unlock()
35 */
36
37 #include "test.h"
38 #include <sys/timeb.h>
39
40 static int lockCount = 0;
41
42 static pthread_mutex_t mutex;
43
locker(void * arg)44 void * locker(void * arg)
45 {
46 struct timespec abstime = { 0, 0 };
47 struct _timeb currSysTime;
48 const DWORD NANOSEC_PER_MILLISEC = 1000000;
49
50 _ftime(&currSysTime);
51
52 abstime.tv_sec = currSysTime.time;
53 abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
54
55 abstime.tv_sec += 1;
56
57 assert(pthread_mutex_timedlock(&mutex, &abstime) == ETIMEDOUT);
58
59 lockCount++;
60
61 return 0;
62 }
63
64 int
main()65 main()
66 {
67 pthread_t t;
68
69 assert(pthread_mutex_init(&mutex, NULL) == 0);
70
71 assert(pthread_mutex_lock(&mutex) == 0);
72
73 assert(pthread_create(&t, NULL, locker, NULL) == 0);
74
75 Sleep(2000);
76
77 assert(lockCount == 1);
78
79 assert(pthread_mutex_unlock(&mutex) == 0);
80
81 return 0;
82 }
83