56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
//
|
|
// noncopyable.hpp
|
|
// ~~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2006 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_NONCOPYABLE_HPP
|
|
#define ASIO_DETAIL_NONCOPYABLE_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/detail/push_options.hpp"
|
|
#include <boost/config.hpp>
|
|
#include <boost/noncopyable.hpp>
|
|
#include <boost/detail/workaround.hpp>
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
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 asio::detail::noncopyable;
|
|
|
|
} // namespace asio
|
|
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#endif // ASIO_DETAIL_NONCOPYABLE_HPP
|