[jimtabor] 60599: [Win32k] - Fix applications exit before the release of class atoms.

Author: jimtabor
Date: Thu Oct 10 12:40:30 2013
New Revision: 60599

URL: http://svn.reactos.org/svn/reactos?rev=60599&view=rev
Log:
[Win32k]
- Fix applications exit before the release of class atoms.


Modified:
    trunk/reactos/win32ss/user/ntuser/class.c

Modified: trunk/reactos/win32ss/user/ntuser/class.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/class.…
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/class.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/class.c	[iso-8859-1] Thu Oct 10 12:40:30 2013
@@ -8,6 +8,9 @@
 
 #include <win32k.h>
 DBG_DEFAULT_CHANNEL(UserClass);
+
+BOOL FASTCALL IntClassDestroyIcon(HANDLE hCurIcon);
+static NTSTATUS IntDeregisterClassAtom(IN RTL_ATOM Atom);
 
 REGISTER_SYSCLASS DefaultServerClasses[] =
 {
@@ -227,6 +230,13 @@
             CallProc = NextCallProc;
         }
 
+        // Fixes running the static test then run class test issue.
+        // Some applications do not use UnregisterClass before exiting.
+        // Keep from reusing the same atom with case insensitive 
+        // comparisons, remove registration of the atom if not zeroed.
+        if (Class->atomClassName)
+            IntDeregisterClassAtom(Class->atomClassName);
+
         if (Class->pdce)
         {
            DceFreeClassDCE(((PDCE)Class->pdce)->hDC);
@@ -235,6 +245,9 @@
 
         IntFreeClassMenuName(Class);
     }
+
+    if (Class->hIconSmIntern)
+        IntClassDestroyIcon(Class->hIconSmIntern);
 
     pDesk = Class->rpdeskParent;
     Class->rpdeskParent = NULL;
@@ -1481,6 +1494,7 @@
     {
         TRACE("Class 0x%p\n", Class);
         TRACE("UserUnregisterClass: Good Exit!\n");
+        Class->atomClassName = 0; // Don't let it linger...
         /* Finally free the resources */
         IntDestroyClass(Class);
         return TRUE;