Avoid livelock in driver when batching commands

With a bad timing in wx:batch() the driver could get stuck
handling commands without ever checking for gui events.

Avoid that by exiting loop after the driver have done cond_wait a
couple of times.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/wx/c_src/wxe_impl.h b/lib/wx/c_src/wxe_impl.h
index 57dac997ab..68f5deb336 100644
--- a/lib/wx/c_src/wxe_impl.h
+++ b/lib/wx/c_src/wxe_impl.h
@@ -73,7 +73,7 @@ public:
   void wxe_dispatch(wxeCommand& event);
 
   void idle(wxIdleEvent& event);
-  void dispatch_cmds();
+  int dispatch_cmds();
 
   void dummy_close(wxEvent& Ev);
   bool sendevent(wxEvent *event);