From a4401712c5513c0d0ef5eef4dcb07704a49afdb3 Mon Sep 17 00:00:00 2001
From: Alexander Gottwald <alexander.gottwald@s1999.tu-chemnitz.de>
Date: Mon, 12 Apr 2004 21:49:04 +0000
Subject: [PATCH] fix rare segfault caused by uninitialized event queue.
 Happend if     FatalError Messagebox appeared because of missing font "fixed"

---
 hw/xwin/winkeybd.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/hw/xwin/winkeybd.c b/hw/xwin/winkeybd.c
index c70d47684..8fd9c49a6 100644
--- a/hw/xwin/winkeybd.c
+++ b/hw/xwin/winkeybd.c
@@ -359,14 +359,21 @@ void
 winRestoreModeKeyStates ()
 {
   DWORD			dwKeyState;
+  BOOL			processEvents = TRUE;
   unsigned short	internalKeyStates;
 
   /* X server is being initialized */
   if (!g_winInternalModeKeyStatesPtr)
     return;
 
+  /* Only process events if the rootwindow is mapped. The keyboard events
+   * will cause segfaults otherwise */
+  if (WindowTable && WindowTable[0] && WindowTable[0]->mapped == FALSE)
+    processEvents = FALSE;    
+  
   /* Force to process all pending events in the mi event queue */
-  mieqProcessInputEvents ();
+  if (processEvents)
+    mieqProcessInputEvents ();
   
   /* Read the mode key states of our X server */
   internalKeyStates = *g_winInternalModeKeyStatesPtr;