// // handler_continuation_hook.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2018 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_HANDLER_CONTINUATION_HOOK_HPP #define BOOST_ASIO_HANDLER_CONTINUATION_HOOK_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include #include namespace lslboost { namespace asio { /// Default continuation function for handlers. /** * Asynchronous operations may represent a continuation of the asynchronous * control flow associated with the current handler. The implementation can use * this knowledge to optimise scheduling of the handler. * * Implement asio_handler_is_continuation for your own handlers to indicate * when a handler represents a continuation. * * The default implementation of the continuation hook returns false. * * @par Example * @code * class my_handler; * * bool asio_handler_is_continuation(my_handler* context) * { * return true; * } * @endcode */ inline bool asio_handler_is_continuation(...) { return false; } } // namespace asio } // namespace lslboost #include #endif // BOOST_ASIO_HANDLER_CONTINUATION_HOOK_HPP