PQI_FLAG_BUSY
if (softs->os_specific.pqi_flags & PQI_FLAG_BUSY) {
softs->os_specific.pqi_flags &= ~PQI_FLAG_BUSY;
softs->os_specific.pqi_flags |= PQI_FLAG_BUSY;
softs->os_specific.pqi_flags |= PQI_FLAG_BUSY;