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Diffstat (limited to 'pthreads/tests/condvar3_3.c')
-rw-r--r-- | pthreads/tests/condvar3_3.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/pthreads/tests/condvar3_3.c b/pthreads/tests/condvar3_3.c new file mode 100644 index 000000000..fe6763249 --- /dev/null +++ b/pthreads/tests/condvar3_3.c @@ -0,0 +1,132 @@ +/* + * 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; +} |