1 files changed, 15 insertions, 0 deletions

diff --git a/tools/lib/lockdep/tests/ABBCCA.c b/tools/lib/lockdep/tests/ABBCCA.c
new file mode 100644
index 000000000000..843db09ac666
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBCCA.c
@@ -0,0 +1,15 @@
+#include <liblockdep/mutex.h>
+#include "common.h"
+
+void main(void)
+{
+        pthread_mutex_t a, b, c;
+
+        pthread_mutex_init(&a, NULL);
+        pthread_mutex_init(&b, NULL);
+        pthread_mutex_init(&c, NULL);
+
+        LOCK_UNLOCK_2(a, b);
+        LOCK_UNLOCK_2(b, c);
+        LOCK_UNLOCK_2(c, a);
+}