Allow inter-thread timer setting but not inter-process
Modified: trunk/reactos/subsys/win32k/ntuser/timer.c

Modified: trunk/reactos/subsys/win32k/ntuser/timer.c
--- trunk/reactos/subsys/win32k/ntuser/timer.c	2005-03-12 22:31:22 UTC (rev 13985)
+++ trunk/reactos/subsys/win32k/ntuser/timer.c	2005-03-12 22:42:38 UTC (rev 13986)
@@ -92,11 +92,11 @@
           SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
           return 0;
         }
-    
-      if (WindowObject->OwnerThread != PsGetCurrentThread())
+
+      if (WindowObject->OwnerThread->ThreadsProcess != PsGetCurrentProcess())
         {
           IntReleaseWindowObject(WindowObject);
-          DPRINT1("Trying to set timer for window in another thread (shatter attack?)\n");
+          DPRINT1("Trying to set timer for window in another process (shatter attack?)\n");
           SetLastWin32Error(ERROR_ACCESS_DENIED);
           return 0;
         }