return success or failure on event issue

include/tr/event_handler.h

@@ -47,7 +47,7 @@ TR_CLASSVARS_DECL(TR_EventHandler) {
 };
 
 void         TR_eventHandlerSetDispatcher(TR_EventHandler, TR_EventDispatcher);
-void         TR_eventHandlerIssueEvent(TR_EventHandler, TR_Event);
+int          TR_eventHandlerIssueEvent(TR_EventHandler, TR_Event);
 TR_EventDone TR_eventHandlerHandleEvent(TR_EventHandler, TR_Event);
 
 #define TR_eventHandlerClassCleanup(cname) \

src/event_handler_issue_event.c

@@ -27,7 +27,7 @@
 #include "tr/event.h"
 #include "tr/event_handler.h"
 
-void
+int
 TR_eventHandlerIssueEvent(TR_EventHandler this, TR_Event event)
 {
 	if (event) {
@@ -44,7 +44,11 @@ TR_eventHandlerIssueEvent(TR_EventHandler this, TR_Event event)
 					event->subject,
 					event->serial);
 		}
+
+		return TRUE;
 	}
+
+	return FALSE;
 }
 
 // vim: set ts=4 sw=4: