| 1 | // |
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| 2 | // detail/handler_cont_helpers.hpp |
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| 3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 4 | // |
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| 5 | // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
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| 6 | // |
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| 7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 9 | // |
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| 10 | |
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| 11 | #ifndef BOOST_ASIO_DETAIL_HANDLER_CONT_HELPERS_HPP |
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| 12 | #define BOOST_ASIO_DETAIL_HANDLER_CONT_HELPERS_HPP |
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| 13 | |
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| 14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
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| 15 | # pragma once |
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| 16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
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| 17 | |
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| 18 | #include <boost/asio/detail/config.hpp> |
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| 19 | #include <boost/asio/detail/addressof.hpp> |
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| 20 | #include <boost/asio/handler_continuation_hook.hpp> |
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| 21 | |
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| 22 | #include <boost/asio/detail/push_options.hpp> |
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| 23 | |
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| 24 | // Calls to asio_handler_is_continuation must be made from a namespace that |
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| 25 | // does not contain overloads of this function. This namespace is defined here |
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| 26 | // for that purpose. |
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| 27 | namespace boost_asio_handler_cont_helpers { |
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| 28 | |
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| 29 | template <typename Context> |
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| 30 | inline bool is_continuation(Context& context) |
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| 31 | { |
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| 32 | #if !defined(BOOST_ASIO_HAS_HANDLER_HOOKS) |
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| 33 | return false; |
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| 34 | #else |
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| 35 | using boost::asio::asio_handler_is_continuation; |
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| 36 | return asio_handler_is_continuation( |
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| 37 | boost::asio::detail::addressof(context)); |
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| 38 | #endif |
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| 39 | } |
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| 40 | |
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| 41 | } // namespace boost_asio_handler_cont_helpers |
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| 42 | |
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| 43 | #include <boost/asio/detail/pop_options.hpp> |
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| 44 | |
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| 45 | #endif // BOOST_ASIO_DETAIL_HANDLER_CONT_HELPERS_HPP |
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| 46 | |
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