131 lines
3.0 KiB
C++
131 lines
3.0 KiB
C++
//
|
|
// impl/detached.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 ASIO_IMPL_DETACHED_HPP
|
|
#define ASIO_IMPL_DETACHED_HPP
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
# pragma once
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
|
|
#include "asio/detail/config.hpp"
|
|
#include "asio/async_result.hpp"
|
|
#include "asio/detail/variadic_templates.hpp"
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
|
|
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(ASIO_HAS_VARIADIC_TEMPLATES)
|
|
|
|
template <typename... Args>
|
|
void operator()(Args...)
|
|
{
|
|
}
|
|
|
|
#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
|
|
|
|
void operator()()
|
|
{
|
|
}
|
|
|
|
#define ASIO_PRIVATE_DETACHED_DEF(n) \
|
|
template <ASIO_VARIADIC_TPARAMS(n)> \
|
|
void operator()(ASIO_VARIADIC_TARGS(n)) \
|
|
{ \
|
|
} \
|
|
/**/
|
|
ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_DETACHED_DEF)
|
|
#undef ASIO_PRIVATE_DETACHED_DEF
|
|
|
|
#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
|
|
};
|
|
|
|
} // namespace detail
|
|
|
|
#if !defined(GENERATING_DOCUMENTATION)
|
|
|
|
template <typename Signature>
|
|
struct async_result<detached_t, Signature>
|
|
{
|
|
typedef asio::detail::detached_handler completion_handler_type;
|
|
|
|
typedef void return_type;
|
|
|
|
explicit async_result(completion_handler_type&)
|
|
{
|
|
}
|
|
|
|
void get()
|
|
{
|
|
}
|
|
|
|
#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
|
|
|
|
template <typename Initiation, typename RawCompletionToken, typename... Args>
|
|
static return_type initiate(
|
|
ASIO_MOVE_ARG(Initiation) initiation,
|
|
ASIO_MOVE_ARG(RawCompletionToken),
|
|
ASIO_MOVE_ARG(Args)... args)
|
|
{
|
|
ASIO_MOVE_CAST(Initiation)(initiation)(
|
|
detail::detached_handler(detached_t()),
|
|
ASIO_MOVE_CAST(Args)(args)...);
|
|
}
|
|
|
|
#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
|
|
|
|
template <typename Initiation, typename RawCompletionToken>
|
|
static return_type initiate(
|
|
ASIO_MOVE_ARG(Initiation) initiation,
|
|
ASIO_MOVE_ARG(RawCompletionToken))
|
|
{
|
|
ASIO_MOVE_CAST(Initiation)(initiation)(
|
|
detail::detached_handler(detached_t()));
|
|
}
|
|
|
|
#define ASIO_PRIVATE_INITIATE_DEF(n) \
|
|
template <typename Initiation, typename RawCompletionToken, \
|
|
ASIO_VARIADIC_TPARAMS(n)> \
|
|
static return_type initiate( \
|
|
ASIO_MOVE_ARG(Initiation) initiation, \
|
|
ASIO_MOVE_ARG(RawCompletionToken), \
|
|
ASIO_VARIADIC_MOVE_PARAMS(n)) \
|
|
{ \
|
|
ASIO_MOVE_CAST(Initiation)(initiation)( \
|
|
detail::detached_handler(detached_t()), \
|
|
ASIO_VARIADIC_MOVE_ARGS(n)); \
|
|
} \
|
|
/**/
|
|
ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_INITIATE_DEF)
|
|
#undef ASIO_PRIVATE_INITIATE_DEF
|
|
|
|
#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
|
|
};
|
|
|
|
#endif // !defined(GENERATING_DOCUMENTATION)
|
|
|
|
} // namespace asio
|
|
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#endif // ASIO_IMPL_DETACHED_HPP
|