From 4b9396cef94e26f483c89333b8e0cd623bbcac6b Mon Sep 17 00:00:00 2001
From: James Tabor <james.tabor@reactos.org>
Date: Mon, 30 Nov 2009 20:13:05 +0000
Subject: [PATCH] - [Win32k] Test thread death before posting to queue.

svn path=/trunk/; revision=44334
---
 reactos/subsystems/win32/win32k/ntuser/message.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reactos/subsystems/win32/win32k/ntuser/message.c b/reactos/subsystems/win32/win32k/ntuser/message.c
index c9681928a7b..c11c35beede 100644
--- a/reactos/subsystems/win32/win32k/ntuser/message.c
+++ b/reactos/subsystems/win32/win32k/ntuser/message.c
@@ -1324,7 +1324,7 @@ UserPostThreadMessage( DWORD idThread,
    if( Status == STATUS_SUCCESS )
    {
       pThread = (PTHREADINFO)peThread->Tcb.Win32Thread;
-      if( !pThread || !pThread->MessageQueue )
+      if( !pThread || !pThread->MessageQueue  || (pThread->TIF_flags & TIF_INCLEANUP))
       {
          ObDereferenceObject( peThread );
          return FALSE;