1 files changed, 5 insertions, 0 deletions
diff --git a/src/rt/sync/sync.h b/src/rt/sync/sync.h
index 902b5661..8c9a13f0 100644
--- a/src/rt/sync/sync.h
+++ b/src/rt/sync/sync.h
@@ -4,6 +4,11 @@
 class sync {
 public:
     static void yield();
+    template <class T>
+    static bool compare_and_swap(T *address,
+        T oldValue, T newValue) {
+        return __sync_bool_compare_and_swap(address, oldValue, newValue);
+    }
 };
 
 #endif /* SYNC_H */