5 // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
11 #ifndef BOOST_ASIO_IP_V6_ONLY_HPP
12 #define BOOST_ASIO_IP_V6_ONLY_HPP
14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
18 #include <boost/asio/detail/config.hpp>
19 #include <boost/asio/detail/socket_option.hpp>
21 #include <boost/asio/detail/push_options.hpp>
27 /// Socket option for determining whether an IPv6 socket supports IPv6
28 /// communication only.
30 * Implements the IPPROTO_IPV6/IP_V6ONLY socket option.
35 * boost::asio::ip::tcp::socket socket(io_service);
37 * boost::asio::ip::v6_only option(true);
38 * socket.set_option(option);
42 * Getting the current option value:
44 * boost::asio::ip::tcp::socket socket(io_service);
46 * boost::asio::ip::v6_only option;
47 * socket.get_option(option);
48 * bool v6_only = option.value();
52 * GettableSocketOption, SettableSocketOption.
54 #if defined(GENERATING_DOCUMENTATION)
55 typedef implementation_defined v6_only;
56 #elif defined(IPV6_V6ONLY)
57 typedef boost::asio::detail::socket_option::boolean<
58 IPPROTO_IPV6, IPV6_V6ONLY> v6_only;
60 typedef boost::asio::detail::socket_option::boolean<
61 boost::asio::detail::custom_socket_option_level,
62 boost::asio::detail::always_fail_option> v6_only;
69 #include <boost/asio/detail/pop_options.hpp>
71 #endif // BOOST_ASIO_IP_V6_ONLY_HPP