if (api->api.itf->service_start) {
api->status = EBUSY;
rc = api->api.itf->service_start(api->api.closure, share_session, onneed, set);
if (api->api.itf->service_start) {
api->status = EBUSY;
rc = api->api.itf->service_start(api->api.closure, share_session, onneed, set);