NtSetThreadExecutionState

NTSTATUS __stdcall NtSetThreadExecutionState(
        _EXECUTION_STATE NewFlags,
        _EXECUTION_STATE *PreviousFlags,
        INT64 a3,
        INT64 a4,
        INT64 a5,
        INT64 a6,
        INT64 a7,
        INT64 a8){
  char PreviousMode; 
  _ETHREAD *CurrentThread; 
  __int64 v12; 
  VOID *LegacyPowerObject; 
  int v14; 
  _DIAGNOSTIC_CONTEXT *v15; 
  unsigned int LegacyPowerRequestFlags; 
  bool v18; 
  unsigned int SessionId; 
  UINT8 v20; 
  VOID *PowerRequest; 
  UINT64 OldFlags; 
  _DIAGNOSTIC_CONTEXT *Context; 

  LODWORD(OldFlags) = 0;
  Context = 0i64;
  PreviousMode = KeGetCurrentThread()->PreviousMode;
  if( !PreviousMode )
    return -1073741637;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  if( (NewFlags & 0x7FFFFFBC) != 0 || (NewFlags & 0x40) != 0 && NewFlags >= 0 )
    return -1073741811;
  v12 = 0x7FFFFFFF0000i64;
  if( (unsigned __int64)PreviousFlags < 0x7FFFFFFF0000i64 )
    v12 = (__int64)PreviousFlags;
  *(_DWORD *)v12 = *(_DWORD *)v12;
  LegacyPowerObject = CurrentThread->LegacyPowerObject;
  PowerRequest = LegacyPowerObject;
  if( LegacyPowerObject || NewFlags >= 0 )
    goto LABEL_11;
  v14 = PoCaptureReasonContext(0i64, PreviousMode, 0i64, 1u, 0i64, &Context);
  if( v14 < 0 )
    return v14;
  v15 = Context;
  v14 = PopCreateUserPowerRequest(&PowerRequest, 0, Context);
  if( v14 >= 0 )
  {
    LegacyPowerObject = PowerRequest;
    CurrentThread->LegacyPowerObject = PowerRequest;
LABEL_11:
    LegacyPowerRequestFlags = PopGetLegacyPowerRequestFlags(LegacyPowerObject, (unsigned int)NewFlags, &OldFlags);
    *PreviousFlags = OldFlags;
    if( NewFlags >= 0 )
    {
      PopDiagTraceSetThreadExecutionState(CurrentThread, (unsigned int)NewFlags);
      if( (NewFlags & 1) != 0 )
      {
        PopAcquirePolicyLock();
        PopSystemRequiredSet();
        PopReleasePolicyLock();
      }
      if( (NewFlags & 2) != 0 )
      {
        PoEnergyContextUpdateComponentPower(KeGetCurrentThread()->ApcState.Process, 12i64, 3i64);
        PopAcquirePolicyLock();
        v18 = 0;
        if( PopPlatformAoAc && !PopLidOpened )
          v18 = (_BYTE)PopConsoleExternalDisplayConnected == 0;
        PopReleasePolicyLock();
        SessionId = MmGetSessionIdEx(KeGetCurrentThread()->ApcState.Process);
        if( SessionIsInteractive(SessionId) && !v18 )
          PopNotifyConsoleUserPresent(1u, v20, MonitorRequestReasonSetThreadExecutionState);
      }
    }
    else
    {
      PopApplyLegacyPowerRequestFlags(LegacyPowerObject, (unsigned int)NewFlags, LegacyPowerRequestFlags);
    }
    return 0;
  }
  if( v15 )
    PoDestroyReasonContext(v15);
  return v14;
}

Referenced by: