// | |
// detail/noncopyable.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_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 |