Function assign

3rd/asio-1.24.0/include/asio/basic_socket_acceptor.hpp:521–528

Assigns an existing native acceptor to the acceptor. * This function opens the acceptor to hold an existing native acceptor. * * @param protocol An object specifying which protocol is to be used. * * @param native_acceptor A native acceptor. * * @throws asio::system_error Thrown on failure. */

   * @throws asio::system_error Thrown on failure.
   */
  void assign(const protocol_type& protocol,
      const native_handle_type& native_acceptor)
  {
    asio::error_code ec;
    impl_.get_service().assign(impl_.get_implementation(),
        protocol, native_acceptor, ec);
    asio::detail::throw_error(ec, "assign");
  }

  /// Assigns an existing native acceptor to the acceptor.
  /*