// // service_base.hpp // ~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2008 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_DETAIL_SERVICE_BASE_HPP #define ASIO_DETAIL_SERVICE_BASE_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include "asio/detail/push_options.hpp" #include "asio/io_service.hpp" #include "asio/detail/service_id.hpp" namespace asio { namespace detail { // Special service base class to keep classes header-file only. template class service_base : public asio::io_service::service { public: static asio::detail::service_id id; // Constructor. service_base(asio::io_service& io_service) : asio::io_service::service(io_service) { } }; template asio::detail::service_id service_base::id; } // namespace detail } // namespace asio #include "asio/detail/pop_options.hpp" #endif // ASIO_DETAIL_SERVICE_BASE_HPP