74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
//
|
|
// detail/memory.hpp
|
|
// ~~~~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2021 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/make_shared.hpp>
|
|
# 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::make_shared;
|
|
using std::shared_ptr;
|
|
using std::weak_ptr;
|
|
#else // defined(ASIO_HAS_STD_SHARED_PTR)
|
|
using boost::make_shared;
|
|
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_CXX11_ALLOCATORS)
|
|
using std::allocator_arg_t;
|
|
# define ASIO_USES_ALLOCATOR(t) \
|
|
namespace std { \
|
|
template <typename Allocator> \
|
|
struct uses_allocator<t, Allocator> : true_type {}; \
|
|
} \
|
|
/**/
|
|
# define ASIO_REBIND_ALLOC(alloc, t) \
|
|
typename std::allocator_traits<alloc>::template rebind_alloc<t>
|
|
/**/
|
|
#else // defined(ASIO_HAS_CXX11_ALLOCATORS)
|
|
struct allocator_arg_t {};
|
|
# define ASIO_USES_ALLOCATOR(t)
|
|
# define ASIO_REBIND_ALLOC(alloc, t) \
|
|
typename alloc::template rebind<t>::other
|
|
/**/
|
|
#endif // defined(ASIO_HAS_CXX11_ALLOCATORS)
|
|
|
|
} // namespace asio
|
|
|
|
#endif // ASIO_DETAIL_MEMORY_HPP
|