/* * mutex8r.c * * * Pthreads-win32 - POSIX Threads Library for Win32 * Copyright (C) 1998 Ben Elliston and Ross Johnson * Copyright (C) 1999,2000,2001 Ross Johnson * * Contact Email: rpj@ise.canberra.edu.au * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * -------------------------------------------------------------------------- * * Tests PTHREAD_MUTEX_RECURSIVE mutex type exercising timedlock. * Thread locks mutex, another thread timedlocks the mutex. * Timed thread should timeout. * * Depends on API functions: * pthread_create() * pthread_mutexattr_init() * pthread_mutexattr_destroy() * pthread_mutexattr_settype() * pthread_mutexattr_gettype() * pthread_mutex_init() * pthread_mutex_destroy() * pthread_mutex_lock() * pthread_mutex_timedlock() * pthread_mutex_unlock() */ #include "test.h" #include <sys/timeb.h> static int lockCount = 0; static pthread_mutex_t mutex; static pthread_mutexattr_t mxAttr; void * locker(void * arg) { struct timespec abstime = { 0, 0 }; struct _timeb currSysTime; const DWORD NANOSEC_PER_MILLISEC = 1000000; _ftime(&currSysTime); abstime.tv_sec = currSysTime.time; abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm; abstime.tv_sec += 1; assert(pthread_mutex_timedlock(&mutex, &abstime) == ETIMEDOUT); lockCount++; return 0; } int main() { pthread_t t; int mxType = -1; assert(pthread_mutexattr_init(&mxAttr) == 0); assert(pthread_mutexattr_settype(&mxAttr, PTHREAD_MUTEX_RECURSIVE) == 0); assert(pthread_mutexattr_gettype(&mxAttr, &mxType) == 0); assert(mxType == PTHREAD_MUTEX_RECURSIVE); assert(pthread_mutex_init(&mutex, &mxAttr) == 0); assert(pthread_mutex_lock(&mutex) == 0); assert(pthread_create(&t, NULL, locker, NULL) == 0); Sleep(2000); assert(lockCount == 1); assert(pthread_mutex_unlock(&mutex) == 0); return 0; }