ntoskrnl/ps/win32.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 2002 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id$
  20  *
  21  * COPYRIGHT:              See COPYING in the top level directory
  22  * PROJECT:                ReactOS kernel
  23  * FILE:                   ntoskrnl/ps/win32.c
  24  * PURPOSE:                win32k support
  25  * PROGRAMMER:             Eric Kohl (ekohl@rz-online.de)
  26  * REVISION HISTORY:
  27  *               04/01/2002: Created
  28  */
  29
  30 /* INCLUDES ****************************************************************/
  31
  32 #include <ddk/ntddk.h>
  33 #include <internal/ps.h>
  34 #include <napi/win32.h>
  35
  36 /* TYPES *******************************************************************/
  37
  38 /* GLOBALS ******************************************************************/
  39
  40 static ULONG PspWin32ProcessSize = 0;
  41 static ULONG PspWin32ThreadSize = 0;
  42
  43 /* FUNCTIONS ***************************************************************/
  44
  45 PW32THREAD STDCALL
  46 PsGetWin32Thread(VOID)
  47 {
  48   return(PsGetCurrentThread()->Win32Thread);
  49 }
  50
  51 NTSTATUS STDCALL
  52 PsCreateWin32Thread(PETHREAD Thread)
  53 {
  54   if (Thread->Win32Thread != NULL)
  55     return(STATUS_SUCCESS);
  56
  57   Thread->Win32Thread = ExAllocatePool(NonPagedPool,
  58                                         PspWin32ThreadSize);
  59   if (Thread->Win32Thread == NULL)
  60     return(STATUS_NO_MEMORY);
  61
  62   RtlZeroMemory(Thread->Win32Thread,
  63                 PspWin32ThreadSize);
  64
  65   return(STATUS_SUCCESS);
  66 }
  67
  68 PW32PROCESS STDCALL
  69 PsGetWin32Process(VOID)
  70 {
  71   return(PsGetCurrentProcess()->Win32Process);
  72 }
  73
  74 NTSTATUS STDCALL
  75 PsCreateWin32Process(PEPROCESS Process)
  76 {
  77   if (Process->Win32Process != NULL)
  78     return(STATUS_SUCCESS);
  79
  80   Process->Win32Process = ExAllocatePool(NonPagedPool,
  81                                          PspWin32ProcessSize);
  82   if (Process->Win32Process == NULL)
  83     return(STATUS_NO_MEMORY);
  84
  85   RtlZeroMemory(Process->Win32Process,
  86                 PspWin32ProcessSize);
  87
  88   return(STATUS_SUCCESS);
  89 }
  90
  91
  92 VOID STDCALL
  93 PsEstablishWin32Callouts(PVOID Param1,
  94                          PVOID Param2,
  95                          PVOID Param3,
  96                          PVOID Param4,
  97                          ULONG W32ThreadSize,
  98                          ULONG W32ProcessSize)
  99 {
 100   PspWin32ProcessSize = W32ProcessSize;
 101   PspWin32ThreadSize = W32ThreadSize;
 102 }
 103
 104 /* EOF */