Method reset

io/kqueue.cpp:62–68

    }

    int reset() override {
        LOG_INFO("Reset event engine: kqueue");
        _kq = -1;                   // kqueue fd is not inherited from the parent process
        _inflight_events.clear();   // reset members
        _n = 0;
        return init();              // re-init
    }

    ~KQueue() override {
        LOG_INFO("Finish event engine: kqueue");