83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
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/*
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* mutex8.c
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*
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*
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* Pthreads-win32 - POSIX Threads Library for Win32
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* Copyright (C) 1998 Ben Elliston and Ross Johnson
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* Copyright (C) 1999,2000,2001 Ross Johnson
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*
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* Contact Email: rpj@ise.canberra.edu.au
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* --------------------------------------------------------------------------
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*
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* Test the default (type not set) mutex type exercising timedlock.
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* Thread locks mutex, another thread timedlocks the mutex.
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* Timed thread should timeout.
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*
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* Depends on API functions:
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* pthread_mutex_lock()
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* pthread_mutex_timedlock()
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* pthread_mutex_unlock()
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*/
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#include "test.h"
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#include <sys/timeb.h>
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static int lockCount = 0;
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static pthread_mutex_t mutex;
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void * locker(void * arg)
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{
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struct timespec abstime = { 0, 0 };
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PTW32_STRUCT_TIMEB currSysTime;
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const DWORD NANOSEC_PER_MILLISEC = 1000000;
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PTW32_FTIME(&currSysTime);
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abstime.tv_sec = (long)currSysTime.time;
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abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
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abstime.tv_sec += 1;
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assert(pthread_mutex_timedlock(&mutex, &abstime) == ETIMEDOUT);
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lockCount++;
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return 0;
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}
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int
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main()
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{
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pthread_t t;
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assert(pthread_mutex_init(&mutex, NULL) == 0);
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assert(pthread_mutex_lock(&mutex) == 0);
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assert(pthread_create(&t, NULL, locker, NULL) == 0);
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Sleep(2000);
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assert(lockCount == 1);
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assert(pthread_mutex_unlock(&mutex) == 0);
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return 0;
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}
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