IopIsNotifyInBroadcast

CHAR __fastcall IopIsNotifyInBroadcast(CHAR a1, INT64 a2){
  CHAR v2; 
  signed __int32 v4; 
  signed __int32 v5; 
  v2 = 1;
  if( (a1 & 1) != 0 )
  {
    _m_prefetchw((const void *)(a2 + 136));
    v4 = *(_DWORD *)(a2 + 136);
    do
    {
      v5 = v4;
      v4 = _InterlockedCompareExchange((volatile signed __int32 *)(a2 + 136), v4, v4);
    }
    while( v5 != v4 );
    return BYTE1(v4) & 1;
  }
  return v2;
}

Referenced by:

IoBuildPoDeviceNotifyList