ExQueryBootEntropyInformation

NTSTATUS __fastcall ExQueryBootEntropyInformation(__int64 a1){
  NTSTATUS result; 
  __int64 Parameter; 
  Parameter = a1;
  result = RtlRunOnceExecuteOnce(
             &ExpBootEntropyInit,
             (PRTL_RUN_ONCE_INIT_FN)ExpInitBootEntropyInformation,
             &Parameter,
             0i64);
  if( result >= 0 && Parameter != -1 )
    return -1073741823;
  return result;
}

Referenced by:

ExpQuerySystemInformation
Phase1InitializationIoReady