1 files changed, 111 insertions, 0 deletions
diff --git a/pthreads/tests/mutex4.c b/pthreads/tests/mutex4.c
new file mode 100644
index 000000000..547d9cb73
--- /dev/null
+++ b/pthreads/tests/mutex4.c
@@ -0,0 +1,111 @@
+/* 
+ * mutex4.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 mutex - thread B tries to unlock.
+ *
+ * Depends on API functions: 
+ *	pthread_mutex_lock()
+ *	pthread_mutex_trylock()
+ *	pthread_mutex_unlock()
+ */
+
+#include "test.h"
+
+static int wasHere = 0;
+
+static pthread_mutex_t mutex1;
+ 
+void * unlocker(void * arg)
+{
+  int expectedResult = (int) arg;
+
+  wasHere++;
+  assert(pthread_mutex_unlock(&mutex1) == expectedResult);
+  wasHere++;
+  return NULL;
+}
+ 
+int
+main()
+{
+  pthread_t t;
+  pthread_mutexattr_t ma;
+
+  assert(pthread_mutexattr_init(&ma) == 0);
+
+  wasHere = 0;
+  assert(pthread_mutexattr_settype(&ma, PTHREAD_MUTEX_DEFAULT) == 0);
+  assert(pthread_mutex_init(&mutex1, &ma) == 0);
+  assert(pthread_mutex_lock(&mutex1) == 0);
+  /*
+   * NORMAL (fast) mutexes don't check ownership.
+   */
+  assert(pthread_create(&t, NULL, unlocker, (void *) 0) == 0);
+  assert(pthread_join(t, NULL) == 0);
+  assert(pthread_mutex_unlock(&mutex1) == EPERM);
+  assert(wasHere == 2);
+
+  wasHere = 0;
+  assert(pthread_mutexattr_settype(&ma, PTHREAD_MUTEX_NORMAL) == 0);
+  assert(pthread_mutex_init(&mutex1, &ma) == 0);
+  assert(pthread_mutex_lock(&mutex1) == 0);
+  /*
+   * NORMAL (fast) mutexes don't check ownership.
+   */
+  assert(pthread_create(&t, NULL, unlocker, (void *) 0) == 0);
+  assert(pthread_join(t, NULL) == 0);
+  assert(pthread_mutex_unlock(&mutex1) == EPERM);
+  assert(wasHere == 2);
+
+  wasHere = 0;
+  assert(pthread_mutexattr_settype(&ma, PTHREAD_MUTEX_ERRORCHECK) == 0);
+  assert(pthread_mutex_init(&mutex1, &ma) == 0);
+  assert(pthread_mutex_lock(&mutex1) == 0);
+  assert(pthread_create(&t, NULL, unlocker, (void *) EPERM) == 0);
+  assert(pthread_join(t, NULL) == 0);
+  assert(pthread_mutex_unlock(&mutex1) == 0);
+  assert(wasHere == 2);
+
+  wasHere = 0;
+  assert(pthread_mutexattr_settype(&ma, PTHREAD_MUTEX_RECURSIVE) == 0);
+  assert(pthread_mutex_init(&mutex1, &ma) == 0);
+  assert(pthread_mutex_lock(&mutex1) == 0);
+  assert(pthread_create(&t, NULL, unlocker, (void *) EPERM) == 0);
+  assert(pthread_join(t, NULL) == 0);
+  assert(pthread_mutex_unlock(&mutex1) == 0);
+  assert(wasHere == 2);
+
+  return 0;
+}