/Src/Dependencies/Boost/boost/asio/detail/socket_select_interrupter.hpp
http://hadesmem.googlecode.com/ · C++ Header · 89 lines · 41 code · 22 blank · 26 comment · 3 complexity · 2d9c828613f09f0e61e8ce778b2f73be MD5 · raw file
- //
- // detail/socket_select_interrupter.hpp
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2011 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_SOCKET_SELECT_INTERRUPTER_HPP
- #define BOOST_ASIO_DETAIL_SOCKET_SELECT_INTERRUPTER_HPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
- #include <boost/asio/detail/config.hpp>
- #if defined(BOOST_WINDOWS) \
- || defined(__CYGWIN__) \
- || defined(__SYMBIAN32__)
- #include <boost/asio/detail/socket_types.hpp>
- #include <boost/asio/detail/push_options.hpp>
- namespace boost {
- namespace asio {
- namespace detail {
- class socket_select_interrupter
- {
- public:
- // Constructor.
- BOOST_ASIO_DECL socket_select_interrupter();
- // Destructor.
- BOOST_ASIO_DECL ~socket_select_interrupter();
- // Recreate the interrupter's descriptors. Used after a fork.
- BOOST_ASIO_DECL void recreate();
- // Interrupt the select call.
- BOOST_ASIO_DECL void interrupt();
- // Reset the select interrupt. Returns true if the call was interrupted.
- BOOST_ASIO_DECL bool reset();
- // Get the read descriptor to be passed to select.
- socket_type read_descriptor() const
- {
- return read_descriptor_;
- }
- private:
- // Open the descriptors. Throws on error.
- BOOST_ASIO_DECL void open_descriptors();
- // Close the descriptors.
- BOOST_ASIO_DECL void close_descriptors();
- // The read end of a connection used to interrupt the select call. This file
- // descriptor is passed to select such that when it is time to stop, a single
- // byte will be written on the other end of the connection and this
- // descriptor will become readable.
- socket_type read_descriptor_;
- // The write end of a connection used to interrupt the select call. A single
- // byte may be written to this to wake up the select which is waiting for the
- // other end to become readable.
- socket_type write_descriptor_;
- };
- } // namespace detail
- } // namespace asio
- } // namespace boost
- #include <boost/asio/detail/pop_options.hpp>
- #if defined(BOOST_ASIO_HEADER_ONLY)
- # include <boost/asio/detail/impl/socket_select_interrupter.ipp>
- #endif // defined(BOOST_ASIO_HEADER_ONLY)
- #endif // defined(BOOST_WINDOWS)
- // || defined(__CYGWIN__)
- // || defined(__SYMBIAN32__)
- #endif // BOOST_ASIO_DETAIL_SOCKET_SELECT_INTERRUPTER_HPP