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authormarha <marha@users.sourceforge.net>2011-07-18 10:33:05 +0200
committermarha <marha@users.sourceforge.net>2011-07-18 10:33:05 +0200
commit88101146f2ec7d53ffb793e365f05097ffd35fd3 (patch)
treedb77eef572a00c62c8d9485c4786f682e20a2fd0 /pthreads/tests/robust1.c
parent772373ccc8da2b2019555228f4972cc0c5a885a4 (diff)
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+/*
+ * robust1.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
+ *
+ * --------------------------------------------------------------------------
+ *
+ * For all robust mutex types.
+ * Thread A locks mutex
+ * Thread A terminates with no threads waiting on robust mutex
+ * Thread B acquires (inherits) mutex and unlocks
+ * Main attempts to lock mutex with unrecovered state.
+ *
+ * Depends on API functions:
+ * pthread_create()
+ * pthread_join()
+ * pthread_mutex_init()
+ * pthread_mutex_lock()
+ * pthread_mutex_unlock()
+ * pthread_mutex_destroy()
+ * pthread_mutexattr_init()
+ * pthread_mutexattr_setrobust()
+ * pthread_mutexattr_settype()
+ * pthread_mutexattr_destroy()
+ */
+
+#include "test.h"
+
+static int lockCount;
+
+static pthread_mutex_t mutex;
+
+void * owner(void * arg)
+{
+ assert(pthread_mutex_lock(&mutex) == 0);
+ lockCount++;
+
+ return 0;
+}
+
+void * inheritor(void * arg)
+{
+ assert(pthread_mutex_lock(&mutex) == EOWNERDEAD);
+ lockCount++;
+ assert(pthread_mutex_unlock(&mutex) == 0);
+
+ return 0;
+}
+
+int
+main()
+{
+ pthread_t to, ti;
+ pthread_mutexattr_t ma;
+
+ assert(pthread_mutexattr_init(&ma) == 0);
+ assert(pthread_mutexattr_setrobust(&ma, PTHREAD_MUTEX_ROBUST) == 0);
+
+ /* Default (NORMAL) type */
+ lockCount = 0;
+ assert(pthread_mutex_init(&mutex, &ma) == 0);
+ assert(pthread_create(&to, NULL, owner, NULL) == 0);
+ assert(pthread_join(to, NULL) == 0);
+ assert(pthread_create(&ti, NULL, inheritor, NULL) == 0);
+ assert(pthread_join(ti, NULL) == 0);
+ assert(lockCount == 2);
+ assert(pthread_mutex_lock(&mutex) == ENOTRECOVERABLE);
+ assert(pthread_mutex_unlock(&mutex) == EPERM);
+ assert(pthread_mutex_destroy(&mutex) == 0);
+
+ /* NORMAL type */
+ lockCount = 0;
+ assert(pthread_mutexattr_settype(&ma, PTHREAD_MUTEX_NORMAL) == 0);
+ assert(pthread_mutex_init(&mutex, &ma) == 0);
+ assert(pthread_create(&to, NULL, owner, NULL) == 0);
+ assert(pthread_join(to, NULL) == 0);
+ assert(pthread_create(&ti, NULL, inheritor, NULL) == 0);
+ assert(pthread_join(ti, NULL) == 0);
+ assert(lockCount == 2);
+ assert(pthread_mutex_lock(&mutex) == ENOTRECOVERABLE);
+ assert(pthread_mutex_unlock(&mutex) == EPERM);
+ assert(pthread_mutex_destroy(&mutex) == 0);
+
+ /* ERRORCHECK type */
+ lockCount = 0;
+ assert(pthread_mutexattr_settype(&ma, PTHREAD_MUTEX_ERRORCHECK) == 0);
+ assert(pthread_mutex_init(&mutex, &ma) == 0);
+ assert(pthread_create(&to, NULL, owner, NULL) == 0);
+ assert(pthread_join(to, NULL) == 0);
+ assert(pthread_create(&ti, NULL, inheritor, NULL) == 0);
+ assert(pthread_join(ti, NULL) == 0);
+ assert(lockCount == 2);
+ assert(pthread_mutex_lock(&mutex) == ENOTRECOVERABLE);
+ assert(pthread_mutex_unlock(&mutex) == EPERM);
+ assert(pthread_mutex_destroy(&mutex) == 0);
+
+ /* RECURSIVE type */
+ lockCount = 0;
+ assert(pthread_mutexattr_settype(&ma, PTHREAD_MUTEX_RECURSIVE) == 0);
+ assert(pthread_mutex_init(&mutex, &ma) == 0);
+ assert(pthread_create(&to, NULL, owner, NULL) == 0);
+ assert(pthread_join(to, NULL) == 0);
+ assert(pthread_create(&ti, NULL, inheritor, NULL) == 0);
+ assert(pthread_join(ti, NULL) == 0);
+ assert(lockCount == 2);
+ assert(pthread_mutex_lock(&mutex) == ENOTRECOVERABLE);
+ assert(pthread_mutex_unlock(&mutex) == EPERM);
+ assert(pthread_mutex_destroy(&mutex) == 0);
+
+ assert(pthread_mutexattr_destroy(&ma) == 0);
+
+ return 0;
+}