| // |
| // detail/noncopyable.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_NONCOPYABLE_HPP |
| #define BOOST_ASIO_DETAIL_NONCOPYABLE_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include <boost/asio/detail/config.hpp> |
| #include <boost/noncopyable.hpp> |
| #include <boost/detail/workaround.hpp> |
| |
| #include <boost/asio/detail/push_options.hpp> |
| |
| namespace boost { |
| namespace asio { |
| namespace detail { |
| |
| #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) |
| // Redefine the noncopyable class for Borland C++ since that compiler does not |
| // apply the empty base optimisation unless the base class contains a dummy |
| // char data member. |
| class noncopyable |
| { |
| protected: |
| noncopyable() {} |
| ~noncopyable() {} |
| private: |
| noncopyable(const noncopyable&); |
| const noncopyable& operator=(const noncopyable&); |
| char dummy_; |
| }; |
| #else |
| using boost::noncopyable; |
| #endif |
| |
| } // namespace detail |
| |
| using boost::asio::detail::noncopyable; |
| |
| } // namespace asio |
| } // namespace boost |
| |
| #include <boost/asio/detail/pop_options.hpp> |
| |
| #endif // BOOST_ASIO_DETAIL_NONCOPYABLE_HPP |