| // |
| // detail/memory.hpp |
| // ~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2016 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_MEMORY_HPP |
| #define ASIO_DETAIL_MEMORY_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| #include <memory> |
| |
| #if !defined(ASIO_HAS_STD_SHARED_PTR) |
| # include <boost/shared_ptr.hpp> |
| # include <boost/weak_ptr.hpp> |
| #endif // !defined(ASIO_HAS_STD_SHARED_PTR) |
| |
| #if !defined(ASIO_HAS_STD_ADDRESSOF) |
| # include <boost/utility/addressof.hpp> |
| #endif // !defined(ASIO_HAS_STD_ADDRESSOF) |
| |
| namespace asio { |
| namespace detail { |
| |
| #if defined(ASIO_HAS_STD_SHARED_PTR) |
| using std::shared_ptr; |
| using std::weak_ptr; |
| #else // defined(ASIO_HAS_STD_SHARED_PTR) |
| using boost::shared_ptr; |
| using boost::weak_ptr; |
| #endif // defined(ASIO_HAS_STD_SHARED_PTR) |
| |
| #if defined(ASIO_HAS_STD_ADDRESSOF) |
| using std::addressof; |
| #else // defined(ASIO_HAS_STD_ADDRESSOF) |
| using boost::addressof; |
| #endif // defined(ASIO_HAS_STD_ADDRESSOF) |
| |
| } // namespace detail |
| |
| #if defined(ASIO_HAS_NULLPTR) |
| using std::allocator_arg_t; |
| # define ASIO_USES_ALLOCATOR(t) \ |
| namespace std { \ |
| template <typename Allocator> \ |
| struct uses_allocator<t, Allocator> : true_type {}; \ |
| } \ |
| /**/ |
| #else // defined(ASIO_HAS_NULLPTR) |
| struct allocator_arg_t {}; |
| # define ASIO_USES_ALLOCATOR(t) |
| #endif // defined(ASIO_HAS_NULLPTR) |
| |
| } // namespace asio |
| |
| #endif // ASIO_DETAIL_MEMORY_HPP |