Method AddFd

adapter/micro_thread/micro_thread.h:217–219

        TAILQ_INIT(&_fdset);
    };
    void AddFd(KqueuerObj* efpd) {
        TAILQ_INSERT_TAIL(&_fdset, efpd, _entry);
    };
    void AddFdList(KqObjList* fdset) {
        TAILQ_CONCAT(&_fdset, fdset, _entry);
    };