always dispatch messages for the hidden window which receives process termination...

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60733 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/utilsexc.cpp b/src/msw/utilsexc.cpp
index aaf6176b1c2b86d35b62b49dcfe99ae771b033fb..5d2e0b52cb8fca4b7c19ae9c46265c304f92beba 100644 (file)
--- a/src/msw/utilsexc.cpp
+++ b/src/msw/utilsexc.cpp
@@ -38,6 +38,7 @@
 #include "wx/process.h"
 #include "wx/thread.h"
 #include "wx/apptrait.h"
 #include "wx/process.h"
 #include "wx/thread.h"
 #include "wx/apptrait.h"

+#include "wx/evtloop.h"

 #include "wx/vector.h"
 
 
 #include "wx/vector.h"
 
 


@@ -1007,8 +1008,19 @@ long wxExecute(const wxString& cmd, int flags, wxProcess *handler)
             ::Sleep(50);
         }
 
             ::Sleep(50);
         }
 

-        // we must process messages or we'd never get wxWM_PROC_TERMINATED
-        traits->AlwaysYield();
+        // we must always process messages for our hidden window or we'd never
+        // get wxWM_PROC_TERMINATED and so this loop would never terminate
+        MSG msg;
+        ::PeekMessage(&msg, data->hWnd, 0, 0, PM_REMOVE);
+
+        // we may also need to process messages for all the other application
+        // windows
+        if ( !(flags & wxEXEC_NOEVENTS) )
+        {
+            wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
+            if ( loop )
+                loop->Yield();
+        }

     }
 
     if ( !(flags & wxEXEC_NODISABLE) )
     }
 
     if ( !(flags & wxEXEC_NODISABLE) )