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+/*
+ * robust4.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
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Thread A locks multiple robust mutexes
+ * Thread B blocks on same mutexes in different orderings
+ * Thread A terminates with thread waiting on mutexes
+ * Thread B awakes and inherits each mutex in turn, sets consistent and unlocks
+ * Main acquires mutexes with recovered 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[3];
+
+void * owner(void * arg)
+{
+ assert(pthread_mutex_lock(&mutex[0]) == 0);
+ lockCount++;
+ assert(pthread_mutex_lock(&mutex[1]) == 0);
+ lockCount++;
+ assert(pthread_mutex_lock(&mutex[2]) == 0);
+ lockCount++;
+ Sleep(200);
+
+ return 0;
+}
+
+void * inheritor(void * arg)
+{
+ int* o = (int*)arg;
+
+ assert(pthread_mutex_lock(&mutex[o[0]]) == EOWNERDEAD);
+ lockCount++;
+ assert(pthread_mutex_lock(&mutex[o[1]]) == EOWNERDEAD);
+ lockCount++;
+ assert(pthread_mutex_lock(&mutex[o[2]]) == EOWNERDEAD);
+ lockCount++;
+ assert(pthread_mutex_consistent(&mutex[o[2]]) == 0);
+ assert(pthread_mutex_consistent(&mutex[o[1]]) == 0);
+ assert(pthread_mutex_consistent(&mutex[o[0]]) == 0);
+ assert(pthread_mutex_unlock(&mutex[o[2]]) == 0);
+ assert(pthread_mutex_unlock(&mutex[o[1]]) == 0);
+ assert(pthread_mutex_unlock(&mutex[o[0]]) == 0);
+
+ return 0;
+}
+
+int
+main()
+{
+ pthread_t to, ti;
+ pthread_mutexattr_t ma;
+ int order[3];
+
+ assert(pthread_mutexattr_init(&ma) == 0);
+ assert(pthread_mutexattr_setrobust(&ma, PTHREAD_MUTEX_ROBUST) == 0);
+
+ order[0]=0;
+ order[1]=1;
+ order[2]=2;
+ lockCount = 0;
+ assert(pthread_mutex_init(&mutex[0], &ma) == 0);
+ assert(pthread_mutex_init(&mutex[1], &ma) == 0);
+ assert(pthread_mutex_init(&mutex[2], &ma) == 0);
+ assert(pthread_create(&to, NULL, owner, NULL) == 0);
+ Sleep(100);
+ assert(pthread_create(&ti, NULL, inheritor, (void *)order) == 0);
+ assert(pthread_join(to, NULL) == 0);
+ assert(pthread_join(ti, NULL) == 0);
+ assert(lockCount == 6);
+ assert(pthread_mutex_lock(&mutex[0]) == 0);
+ assert(pthread_mutex_unlock(&mutex[0]) == 0);
+ assert(pthread_mutex_destroy(&mutex[0]) == 0);
+ assert(pthread_mutex_lock(&mutex[1]) == 0);
+ assert(pthread_mutex_unlock(&mutex[1]) == 0);
+ assert(pthread_mutex_destroy(&mutex[1]) == 0);
+ assert(pthread_mutex_lock(&mutex[2]) == 0);
+ assert(pthread_mutex_unlock(&mutex[2]) == 0);
+ assert(pthread_mutex_destroy(&mutex[2]) == 0);
+
+ order[0]=1;
+ order[1]=0;
+ order[2]=2;
+ lockCount = 0;
+ assert(pthread_mutex_init(&mutex[0], &ma) == 0);
+ assert(pthread_mutex_init(&mutex[1], &ma) == 0);
+ assert(pthread_mutex_init(&mutex[2], &ma) == 0);
+ assert(pthread_create(&to, NULL, owner, NULL) == 0);
+ Sleep(100);
+ assert(pthread_create(&ti, NULL, inheritor, (void *)order) == 0);
+ assert(pthread_join(to, NULL) == 0);
+ assert(pthread_join(ti, NULL) == 0);
+ assert(lockCount == 6);
+ assert(pthread_mutex_lock(&mutex[0]) == 0);
+ assert(pthread_mutex_unlock(&mutex[0]) == 0);
+ assert(pthread_mutex_destroy(&mutex[0]) == 0);
+ assert(pthread_mutex_lock(&mutex[1]) == 0);
+ assert(pthread_mutex_unlock(&mutex[1]) == 0);
+ assert(pthread_mutex_destroy(&mutex[1]) == 0);
+ assert(pthread_mutex_lock(&mutex[2]) == 0);
+ assert(pthread_mutex_unlock(&mutex[2]) == 0);
+ assert(pthread_mutex_destroy(&mutex[2]) == 0);
+
+ order[0]=0;
+ order[1]=2;
+ order[2]=1;
+ lockCount = 0;
+ assert(pthread_mutex_init(&mutex[0], &ma) == 0);
+ assert(pthread_mutex_init(&mutex[1], &ma) == 0);
+ assert(pthread_mutex_init(&mutex[2], &ma) == 0);
+ assert(pthread_create(&to, NULL, owner, NULL) == 0);
+ Sleep(100);
+ assert(pthread_create(&ti, NULL, inheritor, (void *)order) == 0);
+ assert(pthread_join(to, NULL) == 0);
+ assert(pthread_join(ti, NULL) == 0);
+ assert(lockCount == 6);
+ assert(pthread_mutex_lock(&mutex[0]) == 0);
+ assert(pthread_mutex_unlock(&mutex[0]) == 0);
+ assert(pthread_mutex_destroy(&mutex[0]) == 0);
+ assert(pthread_mutex_lock(&mutex[1]) == 0);
+ assert(pthread_mutex_unlock(&mutex[1]) == 0);
+ assert(pthread_mutex_destroy(&mutex[1]) == 0);
+ assert(pthread_mutex_lock(&mutex[2]) == 0);
+ assert(pthread_mutex_unlock(&mutex[2]) == 0);
+ assert(pthread_mutex_destroy(&mutex[2]) == 0);
+
+ order[0]=2;
+ order[1]=1;
+ order[2]=0;
+ lockCount = 0;
+ assert(pthread_mutex_init(&mutex[0], &ma) == 0);
+ assert(pthread_mutex_init(&mutex[1], &ma) == 0);
+ assert(pthread_mutex_init(&mutex[2], &ma) == 0);
+ assert(pthread_create(&to, NULL, owner, NULL) == 0);
+ Sleep(100);
+ assert(pthread_create(&ti, NULL, inheritor, (void *)order) == 0);
+ assert(pthread_join(to, NULL) == 0);
+ assert(pthread_join(ti, NULL) == 0);
+ assert(lockCount == 6);
+ assert(pthread_mutex_lock(&mutex[0]) == 0);
+ assert(pthread_mutex_unlock(&mutex[0]) == 0);
+ assert(pthread_mutex_destroy(&mutex[0]) == 0);
+ assert(pthread_mutex_lock(&mutex[1]) == 0);
+ assert(pthread_mutex_unlock(&mutex[1]) == 0);
+ assert(pthread_mutex_destroy(&mutex[1]) == 0);
+ assert(pthread_mutex_lock(&mutex[2]) == 0);
+ assert(pthread_mutex_unlock(&mutex[2]) == 0);
+ assert(pthread_mutex_destroy(&mutex[2]) == 0);
+
+ assert(pthread_mutexattr_destroy(&ma) == 0);
+
+ return 0;
+}
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