[tkreuzer] 40964: UserPostMessage: when dealing with WM_QUIT, allow broadcasting like windows does and post it to the window's message queue instead of the current thread's message queue. Fixes a hang in user32_winetest msg. Patch by Giannis Adamopoulos. See issue #4058 for more details.

Author: tkreuzer
Date: Mon May 18 02:22:20 2009
New Revision: 40964

URL: http://svn.reactos.org/svn/reactos?rev=40964&view=rev
Log:
UserPostMessage: when dealing with WM_QUIT, allow broadcasting like windows does and post
it to the window's message queue instead of the current thread's message queue.
Fixes a hang in user32_winetest msg. Patch by Giannis Adamopoulos.
See issue #4058 for more details.

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

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/message.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/message.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/message.c [iso-8859-1] Mon May 18
02:22:20 2009
@@ -1309,11 +1309,7 @@
    PMSGMEMORY MsgMemoryEntry;
 
    pti = PsGetCurrentThreadWin32Thread();
-   if (WM_QUIT == Msg)
-   {
-      MsqPostQuitMessage(pti->MessageQueue, wParam);
-   }
-   else if (Wnd == HWND_BROADCAST)
+   if (Wnd == HWND_BROADCAST)
    {
       HWND *List;
       PWINDOW_OBJECT DesktopWindow;
@@ -1345,24 +1341,31 @@
          return FALSE;
       }
 
-      UserModeMsg.hwnd = Wnd;
-      UserModeMsg.message = Msg;
-      UserModeMsg.wParam = wParam;
-      UserModeMsg.lParam = lParam;
-      MsgMemoryEntry = FindMsgMemory(UserModeMsg.message);
-      Status = CopyMsgToKernelMem(&KernelModeMsg, &UserModeMsg, MsgMemoryEntry);
-      if (! NT_SUCCESS(Status))
-      {
-         SetLastWin32Error(ERROR_INVALID_PARAMETER);
-         return FALSE;
-      }
-      IntGetCursorLocation(pti->Desktop->WindowStation,
-                           &KernelModeMsg.pt);
-      KeQueryTickCount(&LargeTickCount);
-      pti->timeLast = KernelModeMsg.time =
MsqCalculateMessageTime(&LargeTickCount);
-      MsqPostMessage(Window->MessageQueue, &KernelModeMsg,
-                     NULL != MsgMemoryEntry && 0 != KernelModeMsg.lParam,
-                     QS_POSTMESSAGE);
+      if (WM_QUIT == Msg)
+      {
+          MsqPostQuitMessage(Window->MessageQueue, wParam);
+      }
+      else
+      {
+         UserModeMsg.hwnd = Wnd;
+         UserModeMsg.message = Msg;
+         UserModeMsg.wParam = wParam;
+         UserModeMsg.lParam = lParam;
+         MsgMemoryEntry = FindMsgMemory(UserModeMsg.message);
+         Status = CopyMsgToKernelMem(&KernelModeMsg, &UserModeMsg,
MsgMemoryEntry);
+         if (! NT_SUCCESS(Status))
+         {
+            SetLastWin32Error(ERROR_INVALID_PARAMETER);
+            return FALSE;
+         }
+         IntGetCursorLocation(pti->Desktop->WindowStation,
+                              &KernelModeMsg.pt);
+         KeQueryTickCount(&LargeTickCount);
+         pti->timeLast = KernelModeMsg.time =
MsqCalculateMessageTime(&LargeTickCount);
+         MsqPostMessage(Window->MessageQueue, &KernelModeMsg,
+                        NULL != MsgMemoryEntry && 0 != KernelModeMsg.lParam,
+                        QS_POSTMESSAGE);
+      }
    }
 
    return TRUE;