KeInitializeQueue

VOID __stdcall KeInitializeQueue(_KQUEUE *Queue, UINT64 a2){
  Queue->Header.Type = 4;
  *(_WORD *)((char *)&Queue->Header.Lock + 1) = 4096;
  Queue->Header.WaitListHead.Blink = &Queue->Header.WaitListHead;
  Queue->Header.WaitListHead.Flink = &Queue->Header.WaitListHead;
  Queue->EntryListHead.Blink = &Queue->EntryListHead;
  Queue->EntryListHead.Flink = &Queue->EntryListHead;
  Queue->ThreadListHead.Blink = &Queue->ThreadListHead;
  Queue->ThreadListHead.Flink = &Queue->ThreadListHead;
  Queue->Header.SignalState = 0;
  Queue->CurrentCount = 0;
  if( !(_DWORD)a2 )
    LODWORD(a2) = KeQueryActiveProcessorCountEx(0xFFFFu);
  Queue->MaximumCount = a2;
}

Referenced by:

EtwpCreateUmReplyObject
ExpWorkerFactoryInitialization
FsRtlInitializeWorkerThread
IopInitializePassiveInterruptServices
KeInitializeUmsThread
NtCreateIoCompletion