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-rw-r--r--pthreads/tests/rwlock6_t.c126
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+/*
+ * rwlock6_t.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
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Check writer and reader locking with reader timeouts
+ *
+ * Depends on API functions:
+ * pthread_rwlock_timedrdlock()
+ * pthread_rwlock_wrlock()
+ * pthread_rwlock_unlock()
+ */
+
+#include "test.h"
+#include <sys/timeb.h>
+
+static pthread_rwlock_t rwlock1 = PTHREAD_RWLOCK_INITIALIZER;
+
+static int bankAccount = 0;
+
+void * wrfunc(void * arg)
+{
+ assert(pthread_rwlock_wrlock(&rwlock1) == 0);
+ Sleep(2000);
+ bankAccount += 10;
+ assert(pthread_rwlock_unlock(&rwlock1) == 0);
+
+ return ((void *) bankAccount);
+}
+
+void * rdfunc(void * arg)
+{
+ int ba = -1;
+ 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;
+
+
+ if ((int) arg == 1)
+ {
+ abstime.tv_sec += 1;
+ assert(pthread_rwlock_timedrdlock(&rwlock1, &abstime) == ETIMEDOUT);
+ ba = 0;
+ }
+ else if ((int) arg == 2)
+ {
+ abstime.tv_sec += 3;
+ assert(pthread_rwlock_timedrdlock(&rwlock1, &abstime) == 0);
+ ba = bankAccount;
+ assert(pthread_rwlock_unlock(&rwlock1) == 0);
+ }
+
+ return ((void *) ba);
+}
+
+int
+main()
+{
+ pthread_t wrt1;
+ pthread_t wrt2;
+ pthread_t rdt1;
+ pthread_t rdt2;
+ int wr1Result = 0;
+ int wr2Result = 0;
+ int rd1Result = 0;
+ int rd2Result = 0;
+
+ bankAccount = 0;
+
+ assert(pthread_create(&wrt1, NULL, wrfunc, NULL) == 0);
+ Sleep(500);
+ assert(pthread_create(&rdt1, NULL, rdfunc, (void *) 1) == 0);
+ Sleep(500);
+ assert(pthread_create(&wrt2, NULL, wrfunc, NULL) == 0);
+ Sleep(500);
+ assert(pthread_create(&rdt2, NULL, rdfunc, (void *) 2) == 0);
+
+ assert(pthread_join(wrt1, (void **) &wr1Result) == 0);
+ assert(pthread_join(rdt1, (void **) &rd1Result) == 0);
+ assert(pthread_join(wrt2, (void **) &wr2Result) == 0);
+ assert(pthread_join(rdt2, (void **) &rd2Result) == 0);
+
+ assert(wr1Result == 10);
+ assert(rd1Result == 0);
+ assert(wr2Result == 20);
+ assert(rd2Result == 20);
+
+ return 0;
+}
+
+