| // |
| // detail/handler_cont_helpers.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| // |
| |
| #ifndef BOOST_ASIO_DETAIL_HANDLER_CONT_HELPERS_HPP |
| #define BOOST_ASIO_DETAIL_HANDLER_CONT_HELPERS_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include <boost/asio/detail/config.hpp> |
| #include <boost/asio/detail/memory.hpp> |
| #include <boost/asio/handler_continuation_hook.hpp> |
| |
| #include <boost/asio/detail/push_options.hpp> |
| |
| // Calls to asio_handler_is_continuation must be made from a namespace that |
| // does not contain overloads of this function. This namespace is defined here |
| // for that purpose. |
| namespace boost_asio_handler_cont_helpers { |
| |
| template <typename Context> |
| inline bool is_continuation(Context& context) |
| { |
| #if !defined(BOOST_ASIO_HAS_HANDLER_HOOKS) |
| return false; |
| #else |
| using boost::asio::asio_handler_is_continuation; |
| return asio_handler_is_continuation( |
| boost::asio::detail::addressof(context)); |
| #endif |
| } |
| |
| } // namespace boost_asio_handler_cont_helpers |
| |
| #include <boost/asio/detail/pop_options.hpp> |
| |
| #endif // BOOST_ASIO_DETAIL_HANDLER_CONT_HELPERS_HPP |
