| // |
| // detail/impl/task_io_service.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2010 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 BOOST_ASIO_DETAIL_IMPL_TASK_IO_SERVICE_HPP |
| #define BOOST_ASIO_DETAIL_IMPL_TASK_IO_SERVICE_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include <boost/asio/detail/call_stack.hpp> |
| #include <boost/asio/detail/completion_handler.hpp> |
| #include <boost/asio/detail/fenced_block.hpp> |
| #include <boost/asio/detail/handler_alloc_helpers.hpp> |
| #include <boost/asio/detail/handler_invoke_helpers.hpp> |
| |
| #include <boost/asio/detail/push_options.hpp> |
| |
| namespace boost { |
| namespace asio { |
| namespace detail { |
| |
| template <typename Handler> |
| void task_io_service::dispatch(Handler handler) |
| { |
| if (call_stack<task_io_service>::contains(this)) |
| { |
| boost::asio::detail::fenced_block b; |
| boost_asio_handler_invoke_helpers::invoke(handler, handler); |
| } |
| else |
| post(handler); |
| } |
| |
| template <typename Handler> |
| void task_io_service::post(Handler handler) |
| { |
| // Allocate and construct an operation to wrap the handler. |
| typedef completion_handler<Handler> op; |
| typename op::ptr p = { boost::addressof(handler), |
| boost_asio_handler_alloc_helpers::allocate( |
| sizeof(op), handler), 0 }; |
| p.p = new (p.v) op(handler); |
| |
| post_immediate_completion(p.p); |
| p.v = p.p = 0; |
| } |
| |
| } // namespace detail |
| } // namespace asio |
| } // namespace boost |
| |
| #include <boost/asio/detail/pop_options.hpp> |
| |
| #endif // BOOST_ASIO_DETAIL_IMPL_TASK_IO_SERVICE_HPP |