cvs version of pthreads

1 files changed, 120 insertions, 0 deletions

diff --git a/pthreads/tests/robust5.c b/pthreads/tests/robust5.c
new file mode 100644
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+/* 
+ * robust5.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
+ * Thread A terminates with thread waiting on mutexes
+ * Thread B awakes and inherits each mutex in turn
+ * Thread B terminates leaving orphaned mutexes
+ * Main inherits mutexes, sets consistent and unlocks.
+ *
+ * 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++;
+
+  return 0;
+}
+ 
+void * inheritor(void * arg)
+{
+  assert(pthread_mutex_lock(&mutex[0]) == EOWNERDEAD);
+  lockCount++;
+  assert(pthread_mutex_lock(&mutex[1]) == EOWNERDEAD);
+  lockCount++;
+  assert(pthread_mutex_lock(&mutex[2]) == EOWNERDEAD);
+  lockCount++;
+
+  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);
+
+  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);
+  assert(pthread_join(to, NULL) == 0);
+  assert(pthread_create(&ti, NULL, inheritor, NULL) == 0);
+  assert(pthread_join(ti, NULL) == 0);
+  assert(lockCount == 6);
+  assert(pthread_mutex_lock(&mutex[0]) == EOWNERDEAD);
+  assert(pthread_mutex_consistent(&mutex[0]) == 0);
+  assert(pthread_mutex_unlock(&mutex[0]) == 0);
+  assert(pthread_mutex_destroy(&mutex[0]) == 0);
+  assert(pthread_mutex_lock(&mutex[1]) == EOWNERDEAD);
+  assert(pthread_mutex_consistent(&mutex[1]) == 0);
+  assert(pthread_mutex_unlock(&mutex[1]) == 0);
+  assert(pthread_mutex_destroy(&mutex[1]) == 0);
+  assert(pthread_mutex_lock(&mutex[2]) == EOWNERDEAD);
+  assert(pthread_mutex_consistent(&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;
+}