reactos/ntoskrnl/io/process.c

   1 /* $Id: process.c,v 1.11 2000/10/07 13:41:51 dwelch Exp $
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS kernel
   5  * FILE:            ntoskrnl/io/process.c
   6  * PURPOSE:         Process functions that, bizarrely, are in the iomgr
   7  * PROGRAMMER:      David Welch (welch@mcmail.com)
   8  * UPDATE HISTORY:
   9  *                  Created 22/05/98
  10  */
  11
  12 /* INCLUDES *****************************************************************/
  13
  14 #include <ddk/ntddk.h>
  15 #include <internal/ps.h>
  16
  17 #include <internal/debug.h>
  18
  19 /* FUNCTIONS *****************************************************************/
  20
  21 PVOID STDCALL
  22 IoGetInitialStack (VOID)
  23 {
  24    UNIMPLEMENTED;
  25 }
  26
  27
  28 VOID STDCALL
  29 IoGetStackLimits (PULONG        LowLimit,
  30                   PULONG        HighLimit)
  31 {
  32         *LowLimit = (ULONG)NtCurrentTeb ()->Tib.StackLimit;
  33         *HighLimit = (ULONG)NtCurrentTeb ()->Tib.StackBase;
  34 }
  35
  36
  37 PEPROCESS STDCALL
  38 IoThreadToProcess (IN   PETHREAD        Thread)
  39 {
  40    return (Thread->ThreadsProcess);
  41 }
  42
  43
  44 PEPROCESS STDCALL
  45 IoGetRequestorProcess (IN       PIRP    Irp)
  46 {
  47         return (Irp->Tail.Overlay.Thread->ThreadsProcess);
  48 }
  49
  50
  51 /**********************************************************************
  52  * NAME                                                 EXPORTED
  53  *      IoSetThreadHardErrorMode@4
  54  *
  55  * ARGUMENTS
  56  *      HardErrorEnabled
  57  *              TRUE : enable hard errors processing;
  58  *              FALSE: do NOT process hard errors.
  59  *
  60  * RETURN VALUE
  61  *      Previous value for the current thread's hard errors
  62  *      processing policy.
  63  */
  64 BOOLEAN STDCALL EXPORTED
  65 IoSetThreadHardErrorMode (IN BOOLEAN HardErrorEnabled)
  66 {
  67    BOOLEAN PreviousHEM = NtCurrentTeb ()->HardErrorDisabled;
  68
  69    NtCurrentTeb ()->HardErrorDisabled = (
  70                 (TRUE == HardErrorEnabled)
  71                  ? FALSE
  72                  : TRUE
  73                  );
  74         return (
  75                 (TRUE == PreviousHEM)
  76                         ? FALSE
  77                         : TRUE
  78                         );
  79 }
  80
  81
  82 /* EOF */