1 files changed, 8 insertions, 0 deletions

diff --git a/include/litmus/locking.h b/include/litmus/locking.h
index 3ae6692dbe95..962ad5e6726a 100644
--- a/include/litmus/locking.h
+++ b/include/litmus/locking.h
@@ -229,5 +229,13 @@ struct litmus_lock_ops {
 void suspend_for_lock(void);
 int wake_up_for_lock(struct task_struct* t);
 
+/* thread safe?? */
+#ifndef CONFIG_LITMUS_NESTED_LOCKING
+#define holds_locks(tsk) \
+        (tsk_rt(t)->num_locks_held || tsk_rt(t)->num_local_locks_held)
+#else
+#define holds_locks(tsk) \
+        (tsk_rt(t)->num_locks_held || tsk_rt(t)->num_local_locks_held || !binheap_empty(&tsk_rt(t)->hp_blocked_tasks))
 #endif
 
+#endif