A simple test to make sure we handle rwlocks correctly.

Signed-off-by: Sasha Levin <sasha.le...@oracle.com>
---
 tools/lib/lockdep/tests/WW.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 tools/lib/lockdep/tests/WW.c

diff --git a/tools/lib/lockdep/tests/WW.c b/tools/lib/lockdep/tests/WW.c
new file mode 100644
index 0000000..d44f77d
--- /dev/null
+++ b/tools/lib/lockdep/tests/WW.c
@@ -0,0 +1,13 @@
+#include <liblockdep/rwlock.h>
+
+void main(void)
+{
+       pthread_rwlock_t a, b;
+
+       pthread_rwlock_init(&a, NULL);
+       pthread_rwlock_init(&b, NULL);
+
+       pthread_rwlock_wrlock(&a);
+       pthread_rwlock_rdlock(&b);
+       pthread_rwlock_wrlock(&a);
+}
-- 
1.8.2.1

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