ext-boost/boost/asio/detail/handler_invoke_helpers.hpp
2019-08-24 15:39:04 +02:00

58 lines
1.7 KiB
C++

//
// detail/handler_invoke_helpers.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2019 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 {
template <typename Function, typename Context>
inline void invoke(Function& function, Context& context)
{
#if !defined(BOOST_ASIO_HAS_HANDLER_HOOKS)
Function tmp(function);
tmp();
#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();
#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