Use atomic bool exchange instead of lock

ros2 · Dec 7, 2018 · ad125da · ad125da
1 parent c1345ac
commit ad125da
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/rmw_fastrtps_shared_cpp/src/types/guard_condition.hpp b/rmw_fastrtps_shared_cpp/src/types/guard_condition.hpp
@@ -72,10 +72,7 @@ class GuardCondition
   bool
   getHasTriggered()
   {
-    std::lock_guard<std::mutex> lock(internalMutex_);
-    bool ret = hasTriggered_;
-    hasTriggered_ = false;
-    return ret;
+    return hasTriggered_.exchange(false);
   }
 
 private: