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- //
- // noncopyable.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 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/push_options.hpp>
- #include <boost/asio/detail/push_options.hpp>
- #include <boost/config.hpp>
- #include <boost/noncopyable.hpp>
- #include <boost/detail/workaround.hpp>
- #include <boost/asio/detail/pop_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
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