/* * File: condvar3_3.c * * * -------------------------------------------------------------------------- * * Pthreads-win32 - POSIX Threads Library for Win32 * Copyright(C) 1998 John E. Bossom * Copyright(C) 1999,2005 Pthreads-win32 contributors * * Contact Email: rpj@callisto.canberra.edu.au * * The current list of contributors is contained * in the file CONTRIBUTORS included with the source * code distribution. The list can also be seen at the * following World Wide Web location: * http://sources.redhat.com/pthreads-win32/contributors.html * * 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 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 in the file COPYING.LIB; * if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * * -------------------------------------------------------------------------- * * Test Synopsis: * - Test timeouts and lost signals on a CV. * * Test Method (Validation or Falsification): * - Validation * * Requirements Tested: * - * * Features Tested: * - * * Cases Tested: * - * * Description: * - * * Environment: * - * * Input: * - None. * * Output: * - File name, Line number, and failed expression on failure. * - No output on success. * * Assumptions: * - * * Pass Criteria: * - pthread_cond_timedwait returns ETIMEDOUT. * - Process returns zero exit status. * * Fail Criteria: * - pthread_cond_timedwait does not return ETIMEDOUT. * - Process returns non-zero exit status. */ /* Timur Aydin (taydin@snet.net) */ #include "test.h" #include <sys/timeb.h> pthread_cond_t cnd; pthread_mutex_t mtx; int main() { int rc; struct timespec abstime = { 0, 0 }; struct _timeb currSysTime; const DWORD NANOSEC_PER_MILLISEC = 1000000; assert(pthread_cond_init(&cnd, 0) == 0); assert(pthread_mutex_init(&mtx, 0) == 0); /* get current system time */ _ftime(&currSysTime); abstime.tv_sec = currSysTime.time; abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm; abstime.tv_sec += 1; /* Here pthread_cond_timedwait should time out after one second. */ assert(pthread_mutex_lock(&mtx) == 0); assert((rc = pthread_cond_timedwait(&cnd, &mtx, &abstime)) == ETIMEDOUT); assert(pthread_mutex_unlock(&mtx) == 0); /* Here, the condition variable is signaled, but there are no threads waiting on it. The signal should be lost and the next pthread_cond_timedwait should time out too. */ assert(pthread_mutex_lock(&mtx) == 0); assert((rc = pthread_cond_signal(&cnd)) == 0); assert(pthread_mutex_unlock(&mtx) == 0); assert(pthread_mutex_lock(&mtx) == 0); abstime.tv_sec = currSysTime.time; abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm; abstime.tv_sec += 1; assert((rc = pthread_cond_timedwait(&cnd, &mtx, &abstime)) == ETIMEDOUT); assert(pthread_mutex_unlock(&mtx) == 0); return 0; }