[ion] 59862: [NTDLL]: Don't give every process a KernelCallbackTable. Only GUI processes need one. [USER32]: Initialize the KernelCallbackTable when loaded in GUI process. Also, store it statically...

Author: ion
Date: Wed Aug 28 22:35:28 2013
New Revision: 59862

URL: http://svn.reactos.org/svn/reactos?rev=59862&view=rev
Log:
[NTDLL]: Don't give every process a KernelCallbackTable. Only GUI processes need one.
[USER32]: Initialize the KernelCallbackTable when loaded in GUI process. Also, store it
statically instead of requiring a heap allocation (just like Windows).

Modified:
    trunk/reactos/dll/ntdll/ldr/ldrinit.c
    trunk/reactos/win32ss/user/user32/misc/dllmain.c

Modified: trunk/reactos/dll/ntdll/ldr/ldrinit.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/ntdll/ldr/ldrinit.c?re…
==============================================================================
--- trunk/reactos/dll/ntdll/ldr/ldrinit.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/ntdll/ldr/ldrinit.c	[iso-8859-1] Wed Aug 28 22:35:28 2013
@@ -1696,18 +1696,6 @@
         return STATUS_NO_MEMORY;
     }
 
-    // FIXME: Is it located properly?
-    /* Initialize table of callbacks for the kernel. */
-    Peb->KernelCallbackTable = RtlAllocateHeap(RtlGetProcessHeap(),
-                                               0,
-                                               sizeof(PVOID) *
-                                                (USER32_CALLBACK_MAXIMUM + 1));
-    if (!Peb->KernelCallbackTable)
-    {
-        DPRINT1("Failed to create callback table\n");
-        ZwTerminateProcess(NtCurrentProcess(), STATUS_INSUFFICIENT_RESOURCES);
-    }
-
     /* Allocate an Activation Context Stack */
     Status =
RtlAllocateActivationContextStack(&Teb->ActivationContextStackPointer);
     if (!NT_SUCCESS(Status)) return Status;

Modified: trunk/reactos/win32ss/user/user32/misc/dllmain.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/user32/misc/d…
==============================================================================
--- trunk/reactos/win32ss/user/user32/misc/dllmain.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/user32/misc/dllmain.c	[iso-8859-1] Wed Aug 28 22:35:28
2013
@@ -194,34 +194,28 @@
 {
 }
 
+PVOID apfnDispatch[USER32_CALLBACK_MAXIMUM + 1] =
+{
+    User32CallWindowProcFromKernel,
+    User32CallSendAsyncProcForKernel,
+    User32LoadSysMenuTemplateForKernel,
+    User32SetupDefaultCursors,
+    User32CallHookProcFromKernel,
+    User32CallEventProcFromKernel,
+    User32CallLoadMenuFromKernel,
+    User32CallClientThreadSetupFromKernel,
+    User32CallClientLoadLibraryFromKernel,
+    User32CallGetCharsetInfo,
+};
+
 BOOL
 Init(VOID)
 {
    USERCONNECT UserCon;
-   PVOID *KernelCallbackTable;
  
-   /* Set up the kernel callbacks. */
-   KernelCallbackTable = NtCurrentPeb()->KernelCallbackTable;
-   KernelCallbackTable[USER32_CALLBACK_WINDOWPROC] =
-      (PVOID)User32CallWindowProcFromKernel;
-   KernelCallbackTable[USER32_CALLBACK_SENDASYNCPROC] =
-      (PVOID)User32CallSendAsyncProcForKernel;
-   KernelCallbackTable[USER32_CALLBACK_LOADSYSMENUTEMPLATE] =
-      (PVOID)User32LoadSysMenuTemplateForKernel;
-   KernelCallbackTable[USER32_CALLBACK_LOADDEFAULTCURSORS] =
-      (PVOID)User32SetupDefaultCursors;
-   KernelCallbackTable[USER32_CALLBACK_HOOKPROC] =
-      (PVOID)User32CallHookProcFromKernel;
-   KernelCallbackTable[USER32_CALLBACK_EVENTPROC] =
-      (PVOID)User32CallEventProcFromKernel;
-   KernelCallbackTable[USER32_CALLBACK_LOADMENU] =
-      (PVOID)User32CallLoadMenuFromKernel;
-   KernelCallbackTable[USER32_CALLBACK_CLIENTTHREADSTARTUP] =
-      (PVOID)User32CallClientThreadSetupFromKernel;
-   KernelCallbackTable[USER32_CALLBACK_CLIENTLOADLIBRARY] =
-      (PVOID)User32CallClientLoadLibraryFromKernel;
-   KernelCallbackTable[USER32_CALLBACK_GETCHARSETINFO] =
-      (PVOID)User32CallGetCharsetInfo;
+   /* Set PEB data */
+   NtCurrentPeb()->KernelCallbackTable = apfnDispatch;
+   NtCurrentPeb()->PostProcessInitRoutine = NULL;
 
    NtUserProcessConnect( NtCurrentProcess(),
                          &UserCon,