fix some warnings

Author: facontidavide

include/behaviortree_cpp/actions/sleep_node.h

@@ -38,7 +38,7 @@ class SleepNode : public StatefulActionNode
   TimerQueue<> timer_;
   uint64_t timer_id_;
 
-  bool timer_waiting_;
+  std::atomic_bool timer_waiting_;
   std::mutex delay_mutex_;
 };
 

include/behaviortree_cpp/decorators/timeout_node.h

@@ -73,12 +73,12 @@ class TimeoutNode : public DecoratorNode
   void halt() override;
 
   TimerQueue<> timer_;
-  std::atomic<bool> child_halted_;
+  std::atomic_bool child_halted_;
   uint64_t timer_id_;
 
   unsigned msec_;
   bool read_parameter_from_ports_;
-  bool timeout_started_;
+  std::atomic_bool timeout_started_ = false;
   std::mutex timeout_mutex_;
 };
 

tests/gtest_wakeup.cpp

@@ -19,7 +19,6 @@ class FastAction : public BT::ThreadedAction
   BT::NodeStatus tick() override
   {
     std::this_thread::sleep_for(std::chrono::milliseconds(10));
-    emitWakeUpSignal();
     return BT::NodeStatus::SUCCESS;
   }
 };