[fireball] 43119: [win32k] - Giannis Adamopoulos: Don't do callbacks to usermode when holding the lock. Fixes the famous "VMWare video driver installer 2nd stage hang" bug. Signed off by James Tabor. See issue #2666 for more details.

Author: fireball
Date: Tue Sep 22 23:50:33 2009
New Revision: 43119

URL: http://svn.reactos.org/svn/reactos?rev=43119&view=rev
Log:
[win32k]
- Giannis Adamopoulos: Don't do callbacks to usermode when holding the lock. Fixes the
famous "VMWare video driver installer 2nd stage hang" bug. Signed off by James
Tabor.
See issue #2666 for more details.

Modified:
    trunk/reactos/subsystems/win32/win32k/ntuser/msgqueue.c

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/msgqueue.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/msgqueue.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/msgqueue.c [iso-8859-1] Tue Sep 22
23:50:33 2009
@@ -534,11 +534,6 @@
                                             UserMode, FALSE, NULL, NULL);
 
       UserEnterCo();
-
-      while (co_MsqDispatchOneSentMessage(MessageQueue))
-      {
-         ;
-      }
    }
    while (NT_SUCCESS(WaitStatus) && STATUS_WAIT_0 != WaitStatus);