+ // Register the signal wake up pipe with the given dispatcher.
+ //
+ // This is used by wxExecute(wxEXEC_NOEVENTS) implementation only.
+ //
+ // The pointer to the handler used for processing events on this descriptor
+ // is returned so that it can be deleted when we no longer needed it.
+ wxFDIOHandler* RegisterSignalWakeUpPipe(wxFDIODispatcher& dispatcher);
+