Method terminate

net/kernel_socket.cpp:299–308

    }

    void terminate() final {
        if (!workth) return;
        auto th = workth;
        workth = nullptr;
        if (waiting) {
            thread_interrupt(th);
            if (!m_block_serv)
                thread_join((join_handle*)th);
        }
    }

    ISocketServer* set_handler(Handler handler) override {
        m_handler = handler;