ceph/src/boost/boost/asio/detail/memory.hpp

   1 //
   2 // detail/memory.hpp
   3 // ~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_DETAIL_MEMORY_HPP
  12 #define BOOST_ASIO_DETAIL_MEMORY_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19 #include <memory>
  20
  21 #if !defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
  22 # include <boost/shared_ptr.hpp>
  23 # include <boost/weak_ptr.hpp>
  24 #endif // !defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
  25
  26 #if !defined(BOOST_ASIO_HAS_STD_ADDRESSOF)
  27 # include <boost/utility/addressof.hpp>
  28 #endif // !defined(BOOST_ASIO_HAS_STD_ADDRESSOF)
  29
  30 namespace boost {
  31 namespace asio {
  32 namespace detail {
  33
  34 #if defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
  35 using std::shared_ptr;
  36 using std::weak_ptr;
  37 #else // defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
  38 using boost::shared_ptr;
  39 using boost::weak_ptr;
  40 #endif // defined(BOOST_ASIO_HAS_STD_SHARED_PTR)
  41
  42 #if defined(BOOST_ASIO_HAS_STD_ADDRESSOF)
  43 using std::addressof;
  44 #else // defined(BOOST_ASIO_HAS_STD_ADDRESSOF)
  45 using boost::addressof;
  46 #endif // defined(BOOST_ASIO_HAS_STD_ADDRESSOF)
  47
  48 } // namespace detail
  49
  50 #if defined(BOOST_ASIO_HAS_CXX11_ALLOCATORS)
  51 using std::allocator_arg_t;
  52 # define BOOST_ASIO_USES_ALLOCATOR(t) \
  53   namespace std { \
  54     template <typename Allocator> \
  55     struct uses_allocator<t, Allocator> : true_type {}; \
  56   } \
  57   /**/
  58 # define BOOST_ASIO_REBIND_ALLOC(alloc, t) \
  59   typename std::allocator_traits<alloc>::template rebind_alloc<t>
  60   /**/
  61 #else // defined(BOOST_ASIO_HAS_CXX11_ALLOCATORS)
  62 struct allocator_arg_t {};
  63 # define BOOST_ASIO_USES_ALLOCATOR(t)
  64 # define BOOST_ASIO_REBIND_ALLOC(alloc, t) \
  65   typename alloc::template rebind<t>::other
  66   /**/
  67 #endif // defined(BOOST_ASIO_HAS_CXX11_ALLOCATORS)
  68
  69 } // namespace asio
  70 } // namespace boost
  71
  72 #endif // BOOST_ASIO_DETAIL_MEMORY_HPP