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

133 lines
3.3 KiB
C++

//
// impl/detached.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_IMPL_DETACHED_HPP
#define BOOST_ASIO_IMPL_DETACHED_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/async_result.hpp>
#include <boost/asio/detail/variadic_templates.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace detail {
// Class to adapt a detached_t as a completion handler.
class detached_handler
{
public:
typedef void result_type;
detached_handler(detached_t)
{
}
#if defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
template <typename... Args>
void operator()(Args...)
{
}
#else // defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
void operator()()
{
}
#define BOOST_ASIO_PRIVATE_DETACHED_DEF(n) \
template <BOOST_ASIO_VARIADIC_TPARAMS(n)> \
void operator()(BOOST_ASIO_VARIADIC_TARGS(n)) \
{ \
} \
/**/
BOOST_ASIO_VARIADIC_GENERATE(BOOST_ASIO_PRIVATE_DETACHED_DEF)
#undef BOOST_ASIO_PRIVATE_DETACHED_DEF
#endif // defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
};
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
template <typename Signature>
struct async_result<detached_t, Signature>
{
typedef boost::asio::detail::detached_handler completion_handler_type;
typedef void return_type;
explicit async_result(completion_handler_type&)
{
}
void get()
{
}
#if defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
template <typename Initiation, typename RawCompletionToken, typename... Args>
static return_type initiate(
BOOST_ASIO_MOVE_ARG(Initiation) initiation,
BOOST_ASIO_MOVE_ARG(RawCompletionToken),
BOOST_ASIO_MOVE_ARG(Args)... args)
{
BOOST_ASIO_MOVE_CAST(Initiation)(initiation)(
detail::detached_handler(detached_t()),
BOOST_ASIO_MOVE_CAST(Args)(args)...);
}
#else // defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
template <typename Initiation, typename RawCompletionToken>
static return_type initiate(
BOOST_ASIO_MOVE_ARG(Initiation) initiation,
BOOST_ASIO_MOVE_ARG(RawCompletionToken))
{
BOOST_ASIO_MOVE_CAST(Initiation)(initiation)(
detail::detached_handler(detached_t()));
}
#define BOOST_ASIO_PRIVATE_INITIATE_DEF(n) \
template <typename Initiation, typename RawCompletionToken, \
BOOST_ASIO_VARIADIC_TPARAMS(n)> \
static return_type initiate( \
BOOST_ASIO_MOVE_ARG(Initiation) initiation, \
BOOST_ASIO_MOVE_ARG(RawCompletionToken), \
BOOST_ASIO_VARIADIC_MOVE_PARAMS(n)) \
{ \
BOOST_ASIO_MOVE_CAST(Initiation)(initiation)( \
detail::detached_handler(detached_t()), \
BOOST_ASIO_VARIADIC_MOVE_ARGS(n)); \
} \
/**/
BOOST_ASIO_VARIADIC_GENERATE(BOOST_ASIO_PRIVATE_INITIATE_DEF)
#undef BOOST_ASIO_PRIVATE_INITIATE_DEF
#endif // defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
};
#endif // !defined(GENERATING_DOCUMENTATION)
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // BOOST_ASIO_IMPL_DETACHED_HPP