1 files changed, 13 insertions, 0 deletions

diff --git a/tools/lib/lockdep/tests/ABBA.c b/tools/lib/lockdep/tests/ABBA.c
new file mode 100644
index 000000000000..07f0e29d5485
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBA.c
@@ -0,0 +1,13 @@
+#include <liblockdep/mutex.h>
+#include "common.h"
+
+void main(void)
+{
+        pthread_mutex_t a, b;
+
+        pthread_mutex_init(&a, NULL);
+        pthread_mutex_init(&b, NULL);
+
+        LOCK_UNLOCK_2(a, b);
+        LOCK_UNLOCK_2(b, a);
+}