Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-06-04 17:00:31 +00:00
Code Issues Projects Releases Packages Wiki Activity

[FORMATTING] - Cleanup win32.c

Browse source 
[AUDIT] - Only function of interest is PsConverToGuiThread, heavily documented at:
http://www.windowsitlibrary.com/Content/356/07/1.html
http://www.osronline.com/lists_archive/ntdev/thread4614.html
http://www.i.u-tokyo.ac.jp/edu/training/ss/lecture/new-documents/Lectures/17-Win32K/Win32K.ppt

svn path=/trunk/; revision=23127
This commit is contained in:
Alex Ionescu 2006-07-17 17:32:58 +00:00
parent d0ba1357ee
commit 7ddd4aa708
2 changed files with 37 additions and 50 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
reactos/ntoskrnl/include/internal/ke.h
View file

@ -310,6 +310,13 @@ KeStartThread(
IN OUT PKTHREAD Thread
);
PVOID
NTAPI
KeSwitchKernelStack(
IN PVOID StackBase,
IN PVOID StackLimit
);
VOID
STDCALL
KeRundownThread(VOID);

80
reactos/ntoskrnl/ps/win32.c
View file

@ -1,11 +1,9 @@
/* $Id$
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
/*
* PROJECT: ReactOS Kernel
* LICENSE: GPL - See COPYING in the top level directory
* FILE: ntoskrnl/ps/win32.c
* PURPOSE: win32k support
*
* PROGRAMMERS: Eric Kohl (ekohl@rz-online.de)
* PURPOSE: Process Manager: Win32K Initialization and Support
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
*/
/* INCLUDES ****************************************************************/
@ -22,43 +20,7 @@ extern PKWIN32_PARSEMETHOD_CALLOUT ExpWindowStationObjectParse;
extern PKWIN32_DELETEMETHOD_CALLOUT ExpWindowStationObjectDelete;
extern PKWIN32_DELETEMETHOD_CALLOUT ExpDesktopObjectDelete;
#ifndef ALEX_CB_REWRITE
typedef struct _NTW32CALL_SAVED_STATE
{
ULONG_PTR SavedStackLimit;
PVOID SavedStackBase;
PVOID SavedInitialStack;
PVOID CallerResult;
PULONG CallerResultLength;
PNTSTATUS CallbackStatus;
PKTRAP_FRAME SavedTrapFrame;
PVOID SavedCallbackStack;
PVOID SavedExceptionStack;
} NTW32CALL_SAVED_STATE, *PNTW32CALL_SAVED_STATE;
#endif
PVOID
STDCALL
KeSwitchKernelStack(
IN PVOID StackBase,
IN PVOID StackLimit
);
/* FUNCTIONS ***************************************************************/
/*
* @implemented
*/
VOID
STDCALL
PsEstablishWin32Callouts(PWIN32_CALLOUTS_FPNS CalloutData)
{
PspW32ProcessCallout = CalloutData->ProcessCallout;
PspW32ThreadCallout = CalloutData->ThreadCallout;
ExpWindowStationObjectParse = CalloutData->WindowStationParseProcedure;
ExpWindowStationObjectDelete = CalloutData->WindowStationDeleteProcedure;
ExpDesktopObjectDelete = CalloutData->DesktopDeleteProcedure;
}
/* PRIVATE FUNCTIONS *********************************************************/
NTSTATUS
NTAPI
@ -134,6 +96,23 @@ PsConvertToGuiThread(VOID)
return Status;
}
/* PUBLIC FUNCTIONS **********************************************************/
/*
* @implemented
*/
VOID
NTAPI
PsEstablishWin32Callouts(IN PWIN32_CALLOUTS_FPNS CalloutData)
{
/* Setup the callback pointers */
PspW32ProcessCallout = CalloutData->ProcessCallout;
PspW32ThreadCallout = CalloutData->ThreadCallout;
ExpWindowStationObjectParse = CalloutData->WindowStationParseProcedure;
ExpWindowStationObjectDelete = CalloutData->WindowStationDeleteProcedure;
ExpDesktopObjectDelete = CalloutData->DesktopDeleteProcedure;
}
NTSTATUS
STDCALL
NtW32Call(IN ULONG RoutineIndex,
@ -145,24 +124,23 @@ NtW32Call(IN ULONG RoutineIndex,
PVOID RetResult;
ULONG RetResultLength;
NTSTATUS Status = STATUS_SUCCESS;
DPRINT("NtW32Call(RoutineIndex %d, Argument %p, ArgumentLength %d)\n",
RoutineIndex, Argument, ArgumentLength);
/* must not be called as KernelMode! */
ASSERT(KeGetPreviousMode() != KernelMode);
/* Enter SEH for probing */
_SEH_TRY
{
/* Probe arguments */
ProbeForWritePointer(Result);
ProbeForWriteUlong(ResultLength);
}
_SEH_HANDLE
{
/* Get exception code */
Status = _SEH_GetExceptionCode();
}
_SEH_END;
/* Make sure we got success */
if (NT_SUCCESS(Status))
{
/* Call kernel function */
@ -171,16 +149,18 @@ NtW32Call(IN ULONG RoutineIndex,
ArgumentLength,
&RetResult,
&RetResultLength);
if (NT_SUCCESS(Status))
{
/* Enter SEH for write back */
_SEH_TRY
{
/* Return results to user mode */
*Result = RetResult;
*ResultLength = RetResultLength;
}
_SEH_HANDLE
{
/* Get the exception code */
Status = _SEH_GetExceptionCode();
}
_SEH_END;