1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980 |
- //
- // detail/handler_invoke_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_INVOKE_HELPERS_HPP
- #define BOOST_ASIO_DETAIL_HANDLER_INVOKE_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_invoke_hook.hpp>
- #include <boost/asio/detail/push_options.hpp>
- // Calls to asio_handler_invoke must be made from a namespace that does not
- // contain overloads of this function. The boost_asio_handler_invoke_helpers
- // namespace is defined here for that purpose.
- namespace boost_asio_handler_invoke_helpers {
- #if defined(BOOST_ASIO_NO_DEPRECATED)
- template <typename Function, typename Context>
- inline void error_if_hook_is_defined(Function& function, Context& context)
- {
- using boost::asio::asio_handler_invoke;
- // If you get an error here it is because some of your handlers still
- // overload asio_handler_invoke, but this hook is no longer used.
- (void)static_cast<boost::asio::asio_handler_invoke_is_no_longer_used>(
- asio_handler_invoke(function, boost::asio::detail::addressof(context)));
- }
- #endif // defined(BOOST_ASIO_NO_DEPRECATED)
- template <typename Function, typename Context>
- inline void invoke(Function& function, Context& context)
- {
- #if !defined(BOOST_ASIO_HAS_HANDLER_HOOKS)
- Function tmp(function);
- tmp();
- #elif defined(BOOST_ASIO_NO_DEPRECATED)
- // The asio_handler_invoke hook is no longer used to invoke the function.
- (void)&error_if_hook_is_defined<Function, Context>;
- (void)context;
- function();
- #else
- using boost::asio::asio_handler_invoke;
- asio_handler_invoke(function, boost::asio::detail::addressof(context));
- #endif
- }
- template <typename Function, typename Context>
- inline void invoke(const Function& function, Context& context)
- {
- #if !defined(BOOST_ASIO_HAS_HANDLER_HOOKS)
- Function tmp(function);
- tmp();
- #elif defined(BOOST_ASIO_NO_DEPRECATED)
- // The asio_handler_invoke hook is no longer used to invoke the function.
- (void)&error_if_hook_is_defined<const Function, Context>;
- (void)context;
- Function tmp(function);
- tmp();
- #else
- using boost::asio::asio_handler_invoke;
- asio_handler_invoke(function, boost::asio::detail::addressof(context));
- #endif
- }
- } // namespace boost_asio_handler_invoke_helpers
- #include <boost/asio/detail/pop_options.hpp>
- #endif // BOOST_ASIO_DETAIL_HANDLER_INVOKE_HELPERS_HPP
|