| // |
| // impl/dispatch.hpp |
| // ~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2015 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_DISPATCH_HPP |
| #define ASIO_IMPL_DISPATCH_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_allocator.hpp" |
| #include "asio/associated_executor.hpp" |
| #include "asio/detail/work_dispatcher.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| |
| template <typename CompletionToken> |
| ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) dispatch( |
| ASIO_MOVE_ARG(CompletionToken) token) |
| { |
| typedef typename handler_type<CompletionToken, void()>::type handler; |
| async_completion<CompletionToken, void()> completion(token); |
| |
| typename associated_executor<handler>::type ex( |
| (get_associated_executor)(completion.handler)); |
| |
| typename associated_allocator<handler>::type alloc( |
| (get_associated_allocator)(completion.handler)); |
| |
| ex.dispatch(ASIO_MOVE_CAST(handler)(completion.handler), alloc); |
| |
| return completion.result.get(); |
| } |
| |
| template <typename Executor, typename CompletionToken> |
| ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) dispatch( |
| const Executor& ex, ASIO_MOVE_ARG(CompletionToken) token, |
| typename enable_if<is_executor<Executor>::value>::type*) |
| { |
| typedef typename handler_type<CompletionToken, void()>::type handler; |
| async_completion<CompletionToken, void()> completion(token); |
| |
| Executor ex1(ex); |
| |
| typename associated_allocator<handler>::type alloc( |
| (get_associated_allocator)(completion.handler)); |
| |
| ex1.dispatch(detail::work_dispatcher<handler>(completion.handler), alloc); |
| |
| return completion.result.get(); |
| } |
| |
| template <typename ExecutionContext, typename CompletionToken> |
| inline ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) dispatch( |
| ExecutionContext& ctx, ASIO_MOVE_ARG(CompletionToken) token, |
| typename enable_if<is_convertible< |
| ExecutionContext&, execution_context&>::value>::type*) |
| { |
| return (dispatch)(ctx.get_executor(), |
| ASIO_MOVE_CAST(CompletionToken)(token)); |
| } |
| |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_IMPL_DISPATCH_HPP |