sdk/lib/drivers/ntoskrnl_vista/ke.c

   1 /*
   2  * PROJECT:     ReactOS Kernel - Vista+ APIs
   3  * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
   4  * PURPOSE:     Ke functions of Vista+
   5  * COPYRIGHT:   2016 Pierre Schweitzer (pierre@reactos.org)
   6  *              2020 Victor Perevertkin (victor.perevertkin@reactos.org)
   7  */
   8
   9 #include <ntdef.h>
  10 #include <ntifs.h>
  11
  12 NTKRNLVISTAAPI
  13 ULONG
  14 NTAPI
  15 KeQueryActiveProcessorCount(OUT PKAFFINITY ActiveProcessors OPTIONAL)
  16 {
  17     RTL_BITMAP Bitmap;
  18     KAFFINITY ActiveMap = KeQueryActiveProcessors();
  19
  20     if (ActiveProcessors != NULL)
  21     {
  22         *ActiveProcessors = ActiveMap;
  23     }
  24
  25     RtlInitializeBitMap(&Bitmap, (PULONG)&ActiveMap,  sizeof(ActiveMap) * 8);
  26     return RtlNumberOfSetBits(&Bitmap);
  27 }
  28
  29 NTKRNLVISTAAPI
  30 USHORT
  31 NTAPI
  32 KeQueryHighestNodeNumber()
  33 {
  34         return 0;
  35 }
  36
  37 NTKRNLVISTAAPI
  38 USHORT
  39 NTAPI
  40 KeGetCurrentNodeNumber()
  41 {
  42         return 0;
  43 }
  44
  45 _IRQL_requires_max_(DISPATCH_LEVEL)
  46 NTKRNLVISTAAPI
  47 BOOLEAN
  48 NTAPI
  49 KeSetCoalescableTimer(
  50     _Inout_ PKTIMER Timer,
  51     _In_ LARGE_INTEGER DueTime,
  52     _In_ ULONG Period,
  53     _In_ ULONG TolerableDelay,
  54     _In_opt_ PKDPC Dpc)
  55 {
  56     return KeSetTimerEx(Timer, DueTime, Period, Dpc);
  57 }