From 2280f1af79307b945e250f78586ffa5dada00fdb Mon Sep 17 00:00:00 2001
From: Dmitry Timoshkov <dmitry@codeweavers.com>
Date: Fri, 7 Jul 2006 23:54:00 +0900
Subject: [PATCH] winex11.drv: Protect X11 calls by a critical section.

---
 dlls/winex11.drv/event.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/winex11.drv/event.c b/dlls/winex11.drv/event.c
index aa9c1d641de..92300c5a5bf 100644
--- a/dlls/winex11.drv/event.c
+++ b/dlls/winex11.drv/event.c
@@ -453,8 +453,10 @@ static void handle_wm_protocols( HWND hwnd, XClientMessageEvent *event )
       xev = *event;
       
       TRACE("NET_WM Ping\n");
+      wine_tsx11_lock();
       xev.window = DefaultRootWindow(xev.display);
       XSendEvent(xev.display, xev.window, False, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent*)&xev);
+      wine_tsx11_unlock();
       /* this line is semi-stolen from gtk2 */
       TRACE("NET_WM Pong\n");
     }