PspIsSiloInSilo

UINT8 __stdcall PspIsSiloInSilo(_EJOB *Silo, _EJOB *ContainingSilo){
  if( !ContainingSilo )
    return 1;
  while( Silo )
  {
    if( Silo == ContainingSilo )
      return 1;
    Silo = (_EJOB *)*((_QWORD *)Silo + 134);
  }
  return 0;
}

Referenced by:

NtCreateUserProcess
NtSetInformationThread
PsIsProcessInSilo
PsIsThreadInSilo
PsRootSiloInformation