KeInitializeGate

VOID __stdcall KeInitializeGate(_KGATE *Gate, INT64 State){
  Gate->Header.SignalState = 0;
  Gate->Header.WaitListHead.Blink = &Gate->Header.WaitListHead;
  Gate->Header.WaitListHead.Flink = &Gate->Header.WaitListHead;
  LOWORD(Gate->Header.Lock) = 263;
  Gate->Header.Size = 6;
}

Referenced by:

KiInitializeProcessor
MiInitializePartition
MmScrubMemory
NtSetInformationProcess
PspGetContextThreadInternal
PspRundownUmsThreadForApcDelivery
PspSetContextThreadInternal