Method DetachEvents

adapter/micro_thread/kqueue_proxy.h:198–213

        }
    };
    void DetachEvents(int event) {
        if (event & KQ_EVENT_READ) {
            if (_rd_ref > 0) {
                _rd_ref--;
            } else {
                _rd_ref = 0;
            }
        }
        if (event & KQ_EVENT_WRITE){
            if (_wr_ref > 0) {
                _wr_ref--;
            } else {
                _wr_ref = 0;
            }
        }
    };


    int ReadRefCnt() { return _rd_ref; };