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//
// detail/work_dispatcher.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 ASIO_DETAIL_WORK_DISPATCHER_HPP
#define ASIO_DETAIL_WORK_DISPATCHER_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/associated_executor.hpp"
#include "asio/associated_allocator.hpp"
#include "asio/executor_work_guard.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
template <typename Handler>
class work_dispatcher
{
public:
work_dispatcher(Handler& handler)
: work_((get_associated_executor)(handler)),
handler_(ASIO_MOVE_CAST(Handler)(handler))
{
}
#if defined(ASIO_HAS_MOVE)
work_dispatcher(const work_dispatcher& other)
: work_(other.work_),
handler_(other.handler_)
{
}
work_dispatcher(work_dispatcher&& other)
: work_(ASIO_MOVE_CAST(executor_work_guard<
typename associated_executor<Handler>::type>)(other.work_)),
handler_(ASIO_MOVE_CAST(Handler)(other.handler_))
{
}
#endif // defined(ASIO_HAS_MOVE)
void operator()()
{
typename associated_allocator<Handler>::type alloc(
(get_associated_allocator)(handler_));
work_.get_executor().dispatch(
ASIO_MOVE_CAST(Handler)(handler_), alloc);
work_.reset();
}
private:
executor_work_guard<typename associated_executor<Handler>::type> work_;
Handler handler_;
};
} // namespace detail
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_DETAIL_WORK_DISPATCHER_HPP
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