ceph/src/boost/boost/lockfree/detail/allocator_rebind_helper.hpp

   1 //  boost lockfree: allocator rebind helper
   2 //
   3 //  Copyright (C) 2017 Minmin Gong
   4 //
   5 //  Distributed under the Boost Software License, Version 1.0. (See
   6 //  accompanying file LICENSE_1_0.txt or copy at
   7 //  http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #ifndef BOOST_LOCKFREE_ALLOCATOR_REBIND_HELPER_HPP_INCLUDED
  10 #define BOOST_LOCKFREE_ALLOCATOR_REBIND_HELPER_HPP_INCLUDED
  11
  12 #include <memory>
  13
  14 namespace boost    {
  15 namespace lockfree {
  16 namespace detail   {
  17
  18 template <class allocator_type, class value_type>
  19 struct allocator_rebind_helper
  20 {
  21 #if !defined( BOOST_NO_CXX11_ALLOCATOR )
  22     typedef typename std::allocator_traits<allocator_type>::template rebind_alloc<value_type> type;
  23 #else
  24     typedef typename allocator_type::template rebind<value_type>::other type;
  25 #endif
  26 };
  27
  28 } /* namespace detail */
  29 } /* namespace lockfree */
  30 } /* namespace boost */
  31
  32 #endif /* BOOST_LOCKFREE_ALLOCATOR_REBIND_HELPER_HPP_INCLUDED */