Fix guard condition trigger error (#235)

* Fix guard condition trigger error * Use atomic bool exchange instead of lock
ros2 · Dec 19, 2018 · 117eebe · 117eebe
1 parent a5675c4
commit 117eebe
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/rmw_fastrtps_shared_cpp/src/types/guard_condition.hpp b/rmw_fastrtps_shared_cpp/src/types/guard_condition.hpp
@@ -72,9 +72,7 @@ class GuardCondition
   bool
   getHasTriggered()
   {
-    bool ret = hasTriggered_;
-    hasTriggered_ = false;
-    return ret;
+    return hasTriggered_.exchange(false);
   }
 
 private: