Yielding from a non-gui thread needs to bail out, otherwise we end up

possibly sending events in the thread too.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46357 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/app.cpp

@@ -1196,6 +1196,15 @@ bool wxApp::Yield(bool onlyIfNeeded)
         return false;
     }
 
+#if wxUSE_THREADS
+    // Yielding from a non-gui thread needs to bail out, otherwise we end up
+    // possibly sending events in the thread too.
+    if ( !wxThread::IsMain() )
+    {
+        return true;
+    }
+#endif // wxUSE_THREADS
+
     s_inYield = true;
 
     // by definition yield should handle all non-processed events