49         let (tx, rx) = channel::<Result<u32, ErrorCode>>();  in construct()
53                 tx,  in construct()
60         let (tx, rx) = channel::<ErrorCode>();  in pause()
62             Self::Service(ServiceEvent::Pause(uid, task_id, tx)),  in pause()
68         let (tx, rx) = channel::<ErrorCode>();  in start()
70             Self::Service(ServiceEvent::Start(uid, task_id, tx)),  in start()
76         let (tx, rx) = channel::<ErrorCode>();  in stop()
78             Self::Service(ServiceEvent::Stop(uid, task_id, tx)),  in stop()
84         let (tx, rx) = channel::<ErrorCode>();  in remove()
86             Self::Service(ServiceEvent::Remove(uid, task_id, tx)),  in remove()
92         let (tx, rx) = channel::<ErrorCode>();  in resume()
94             Self::Service(ServiceEvent::Resume(uid, task_id, tx)),  in resume()
100         let (tx, rx) = channel::<DumpAllInfo>();  in dump_all()
101         (Self::Service(ServiceEvent::DumpAll(tx)), Recv::new(rx))  in dump_all()
105         let (tx, rx) = channel::<Option<DumpOneInfo>>();  in dump_one()
107             Self::Service(ServiceEvent::DumpOne(task_id, tx)),  in dump_one()
117         let (tx, rx) = channel::<ErrorCode>();  in subscribe()
119             Self::Task(TaskEvent::Subscribe(task_id, token_id, tx)),  in subscribe()