| // |
| // spawn.hpp |
| // ~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2012 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_SPAWN_HPP |
| #define ASIO_SPAWN_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| #include <boost/coroutine/coroutine.hpp> |
| #include "asio/detail/weak_ptr.hpp" |
| #include "asio/detail/wrapped_handler.hpp" |
| #include "asio/io_service.hpp" |
| #include "asio/strand.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| |
| template <typename Handler> |
| class basic_yield_context |
| { |
| public: |
| basic_yield_context( |
| const detail::weak_ptr<boost::coroutines::coroutine<void()> >& coro, |
| boost::coroutines::coroutine<void()>::caller_type& ca, Handler& handler) |
| : coro_(coro), |
| ca_(ca), |
| handler_(handler), |
| ec_(0) |
| { |
| } |
| |
| basic_yield_context operator[](asio::error_code& ec) |
| { |
| basic_yield_context tmp(*this); |
| tmp.ec_ = &ec; |
| return tmp; |
| } |
| |
| #if defined(GENERATING_DOCUMENTATION) |
| private: |
| #endif // defined(GENERATING_DOCUMENTATION) |
| detail::weak_ptr<boost::coroutines::coroutine<void()> > coro_; |
| boost::coroutines::coroutine<void()>::caller_type& ca_; |
| Handler& handler_; |
| asio::error_code* ec_; |
| }; |
| |
| #if defined(GENERATING_DOCUMENTATION) |
| typedef basic_yield_context<unspecified> yield_context; |
| #else // defined(GENERATING_DOCUMENTATION) |
| typedef basic_yield_context< |
| detail::wrapped_handler< |
| io_service::strand, void(*)()> > yield_context; |
| #endif // defined(GENERATING_DOCUMENTATION) |
| |
| template <typename Handler, typename Function> |
| void spawn(ASIO_MOVE_ARG(Handler) handler, |
| ASIO_MOVE_ARG(Function) function, |
| const boost::coroutines::attributes& attributes |
| = boost::coroutines::attributes()); |
| |
| template <typename Handler, typename Function> |
| void spawn(basic_yield_context<Handler> ctx, |
| ASIO_MOVE_ARG(Function) function, |
| const boost::coroutines::attributes& attributes |
| = boost::coroutines::attributes()); |
| |
| template <typename Function> |
| void spawn(asio::io_service::strand strand, |
| ASIO_MOVE_ARG(Function) function, |
| const boost::coroutines::attributes& attributes |
| = boost::coroutines::attributes()); |
| |
| template <typename Function> |
| void spawn(asio::io_service& io_service, |
| ASIO_MOVE_ARG(Function) function, |
| const boost::coroutines::attributes& attributes |
| = boost::coroutines::attributes()); |
| |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #include "asio/impl/spawn.hpp" |
| |
| #endif // ASIO_SPAWN_HPP |