Task 2.5 Show where the remaining degrees of freedom are (issue #2997)

[modules/shaper.git] / src / Events / Events_Listener.h

diff --git a/src/Events/Events_Listener.h b/src/Events/Events_Listener.h
index 07fd93f97996dfe14b1b57b60f33c19937574698..a7da686f67fe6d272141daf1fdb84a8ae829f985 100644 (file)
--- a/src/Events/Events_Listener.h
+++ b/src/Events/Events_Listener.h
@@ -38,7 +38,9 @@ class Events_Listener {
   /// map from event ID to groupped messages (for flush for groupMessages=true listeners)
   std::map<char*, std::shared_ptr<Events_Message> > myGroups;
 
- public:
+public:
+  virtual ~Events_Listener() {}
+
   //! This method is called by loop when the event is started to process.
   EVENTS_EXPORT virtual void processEvent(const std::shared_ptr<Events_Message>& theMessage) = 0;