KiSignalThreadForApc

VOID __stdcall KiSignalThreadForApc(_KPRCB *Prcb, _KAPC *Apc, UINT8 OldIrql){
  _ETHREAD *Thread; 
  char ApcMode; 
  volatile unsigned __int8 State; 
  char v6; 
  int v7[10]; 

  Thread = Apc->Thread;
  ApcMode = Apc->ApcMode;
  if( Apc->ApcStateIndex == Thread->Tcb.ApcStateIndex )
  {
    if( Thread == Prcb->CurrentThread )
    {
      if( !ApcMode && (!Thread->Tcb.WaitBlock[3].SpareLong || !Apc->NormalRoutine && !Thread->Tcb.SpecialApcDisable) )
      {
        Thread->Tcb.ApcState.KernelApcPending = 1;
        if( OldIrql )
        {
LABEL_24:
          LOBYTE(Prcb) = 1;
          HalRequestSoftwareInterrupt((UINT64)Prcb);
          return;
        }
        Thread->Tcb._bf_0 |= 0x40u;
      }
    }
    else if( ApcMode )
    {
      if( Thread->Tcb.WaitBlockFill6[68] == 5
        && Thread->Tcb.WaitMode == 1
        && (unsigned __int8)((Thread->Tcb.WaitRegister.Flags & 7) - 3) > 1u
        && ((Thread->Tcb._bf_0 & 0x10) != 0 || (Thread->Tcb.ApcState.UserApcPendingAll & 2) != 0) )
      {
        Thread->Tcb.WaitRegister.Flags |= 0x40u;
        KiSignalThread(Prcb, Thread, 192i64, 0i64);
        if( v6 )
          Thread->Tcb.ApcState.UserApcPendingAll |= 2u;
      }
    }
    else
    {
      Thread->Tcb.ApcState.KernelApcPending = 1;
      _InterlockedOr(v7, 0);
      State = Thread->Tcb.State;
      if( State == 2 )
      {
        Prcb = (_KPRCB *)Thread->Tcb.NextProcessor;
        LODWORD(Prcb) = (unsigned int)Prcb & 0x7FFFFFFF;
        if( KeGetPcr()->Prcb.Number == (_DWORD)Prcb )
          goto LABEL_24;
        KiSendSoftwareInterrupt((UINT64)Prcb, 1u);
      }
      else if( State == 5
             && !Thread->Tcb.WaitIrql
             && !Thread->Tcb.SpecialApcDisable
             && (!Apc->NormalRoutine || !Thread->Tcb.KernelApcDisable && !Thread->Tcb.ApcState.InProgressFlags) )
      {
        KiSignalThread(Prcb, Thread, 256i64, 0i64);
        Thread->Tcb.WaitRegister.Flags |= 0x20u;
      }
    }
  }
}

Referenced by: