41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
//
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// detail/weak_ptr.hpp
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// ~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_ASIO_DETAIL_WEAK_PTR_HPP
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#define BOOST_ASIO_DETAIL_WEAK_PTR_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include <boost/asio/detail/config.hpp>
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#if defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
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# include <memory>
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#else // defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
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# include <boost/weak_ptr.hpp>
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#endif // defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
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namespace boost {
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namespace asio {
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namespace detail {
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#if defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
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using std::weak_ptr;
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#else // defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
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using boost::weak_ptr;
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#endif // defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
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} // namespace detail
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} // namespace asio
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} // namespace boost
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#endif // BOOST_ASIO_DETAIL_WEAK_PTR_HPP
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