mirror of
https://github.com/yuzu-emu/ext-boost.git
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94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
//
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// impl/defer.hpp
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// ~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_ASIO_IMPL_DEFER_HPP
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#define BOOST_ASIO_IMPL_DEFER_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include <boost/asio/detail/config.hpp>
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#include <boost/asio/associated_allocator.hpp>
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#include <boost/asio/associated_executor.hpp>
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#include <boost/asio/detail/work_dispatcher.hpp>
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#include <boost/asio/detail/push_options.hpp>
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namespace boost {
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namespace asio {
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namespace detail {
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struct initiate_defer
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{
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template <typename CompletionHandler>
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void operator()(BOOST_ASIO_MOVE_ARG(CompletionHandler) handler) const
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{
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typedef typename decay<CompletionHandler>::type DecayedHandler;
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typename associated_executor<DecayedHandler>::type ex(
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(get_associated_executor)(handler));
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typename associated_allocator<DecayedHandler>::type alloc(
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(get_associated_allocator)(handler));
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ex.defer(BOOST_ASIO_MOVE_CAST(CompletionHandler)(handler), alloc);
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}
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template <typename CompletionHandler, typename Executor>
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void operator()(BOOST_ASIO_MOVE_ARG(CompletionHandler) handler,
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BOOST_ASIO_MOVE_ARG(Executor) ex) const
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{
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typedef typename decay<CompletionHandler>::type DecayedHandler;
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typename associated_allocator<DecayedHandler>::type alloc(
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(get_associated_allocator)(handler));
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ex.defer(detail::work_dispatcher<DecayedHandler>(
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BOOST_ASIO_MOVE_CAST(CompletionHandler)(handler)), alloc);
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}
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};
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} // namespace detail
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template <typename CompletionToken>
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BOOST_ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) defer(
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BOOST_ASIO_MOVE_ARG(CompletionToken) token)
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{
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return async_initiate<CompletionToken, void()>(
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detail::initiate_defer(), token);
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}
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template <typename Executor, typename CompletionToken>
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BOOST_ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) defer(
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const Executor& ex, BOOST_ASIO_MOVE_ARG(CompletionToken) token,
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typename enable_if<is_executor<Executor>::value>::type*)
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{
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return async_initiate<CompletionToken, void()>(
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detail::initiate_defer(), token, ex);
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}
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template <typename ExecutionContext, typename CompletionToken>
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inline BOOST_ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) defer(
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ExecutionContext& ctx, BOOST_ASIO_MOVE_ARG(CompletionToken) token,
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typename enable_if<is_convertible<
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ExecutionContext&, execution_context&>::value>::type*)
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{
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return (defer)(ctx.get_executor(),
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BOOST_ASIO_MOVE_CAST(CompletionToken)(token));
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}
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} // namespace asio
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} // namespace boost
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#include <boost/asio/detail/pop_options.hpp>
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#endif // BOOST_ASIO_IMPL_DEFER_HPP
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