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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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Diffstat (limited to 'pthreads/tests/condvar3_3.c')
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diff --git a/pthreads/tests/condvar3_3.c b/pthreads/tests/condvar3_3.c
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+/*
+ * 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;
+}