KiAcquireTimer2CollectionLockIfInserted

VOID __stdcall KiAcquireTimer2CollectionLockIfInserted(_KTIMER2 *Timer, CHAR a2){
  if( (Timer->Header.Signalling & 1) != 0 )
  {
    KxAcquireSpinLock(&KiTimer2CollectionLock);
    if( (Timer->Header.Signalling & 1) == 0 )
      KxReleaseSpinLock(&KiTimer2CollectionLock);
  }
}

Referenced by:

KeCancelTimer2
KeDisableTimer2
KeSetTimer2