1 files changed, 51 insertions, 0 deletions
diff --git a/tests/mutex6.c b/tests/mutex6.c
new file mode 100644
index 0000000..39b95e5
--- /dev/null
+++ b/tests/mutex6.c
@@ -0,0 +1,51 @@
+/* 
+ * mutex6.c
+ *
+ * Test the default (type not set) mutex type.
+ * Should be the same as PTHREAD_MUTEX_NORMAL.
+ * Thread locks mutex twice (recursive lock).
+ * Locking thread should deadlock on second attempt.
+ *
+ * Depends on API functions: 
+ *	pthread_mutex_lock()
+ *	pthread_mutex_trylock()
+ *	pthread_mutex_unlock()
+ */
+
+#include "test.h"
+
+static int lockCount = 0;
+
+static pthread_mutex_t mutex;
+
+void * locker(void * arg)
+{
+  assert(pthread_mutex_lock(&mutex) == 0);
+  lockCount++;
+  assert(pthread_mutex_lock(&mutex) != 0);
+  lockCount++;
+  Sleep(1000);
+  assert(pthread_mutex_unlock(&mutex) == 0);
+  assert(pthread_mutex_unlock(&mutex) == 0);
+
+  return 0;
+}
+ 
+int
+main()
+{
+  pthread_t t;
+
+  assert(pthread_mutex_init(&mutex, NULL) == 0);
+
+  assert(pthread_create(&t, NULL, locker, NULL) == 0);
+
+  Sleep(2000);
+
+  assert(lockCount == 1);
+
+  exit(0);
+
+  /* Never reached */
+  return 0;
+}