1 /*
2 * mutex8e.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 * Tests PTHREAD_MUTEX_ERRORCHECK 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_create()
33 * pthread_mutexattr_init()
34 * pthread_mutexattr_destroy()
35 * pthread_mutexattr_settype()
36 * pthread_mutexattr_gettype()
37 * pthread_mutex_init()
38 * pthread_mutex_destroy()
39 * pthread_mutex_lock()
40 * pthread_mutex_timedlock()
41 * pthread_mutex_unlock()
42 */
43
44 #include "test.h"
45 #include <sys/timeb.h>
46
47 static int lockCount = 0;
48
49 static pthread_mutex_t mutex;
50 static pthread_mutexattr_t mxAttr;
51
locker(void * arg)52 void * locker(void * arg)
53 {
54 struct timespec abstime = { 0, 0 };
55 struct _timeb currSysTime;
56 const DWORD NANOSEC_PER_MILLISEC = 1000000;
57
58 _ftime(&currSysTime);
59
60 abstime.tv_sec = currSysTime.time;
61 abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
62
63 abstime.tv_sec += 1;
64
65 assert(pthread_mutex_timedlock(&mutex, &abstime) == ETIMEDOUT);
66
67 lockCount++;
68
69 return 0;
70 }
71
72 int
main()73 main()
74 {
75 pthread_t t;
76 int mxType = -1;
77
78 assert(pthread_mutexattr_init(&mxAttr) == 0);
79 assert(pthread_mutexattr_settype(&mxAttr, PTHREAD_MUTEX_ERRORCHECK) == 0);
80 assert(pthread_mutexattr_gettype(&mxAttr, &mxType) == 0);
81 assert(mxType == PTHREAD_MUTEX_ERRORCHECK);
82
83 assert(pthread_mutex_init(&mutex, &mxAttr) == 0);
84
85 assert(pthread_mutex_lock(&mutex) == 0);
86
87 assert(pthread_create(&t, NULL, locker, NULL) == 0);
88
89 Sleep(2000);
90
91 assert(lockCount == 1);
92
93 assert(pthread_mutex_unlock(&mutex) == 0);
94
95 return 0;
96 }
97
98