// // detail/weak_ptr.hpp // ~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2014 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_WEAK_PTR_HPP #define BOOST_ASIO_DETAIL_WEAK_PTR_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/config.hpp> #if defined(BOOST_ASIO_HAS_STD_SHARED_PTR) # include <memory> #else // defined(BOOST_ASIO_HAS_STD_SHARED_PTR) # include <boost/weak_ptr.hpp> #endif // defined(BOOST_ASIO_HAS_STD_SHARED_PTR) namespace boost { namespace asio { namespace detail { #if defined(BOOST_ASIO_HAS_STD_SHARED_PTR) using std::weak_ptr; #else // defined(BOOST_ASIO_HAS_STD_SHARED_PTR) using boost::weak_ptr; #endif // defined(BOOST_ASIO_HAS_STD_SHARED_PTR) } // namespace detail } // namespace asio } // namespace boost #endif // BOOST_ASIO_DETAIL_WEAK_PTR_HPP