ceph/src/boost/libs/intrusive/include/boost/intrusive/detail/slist_node.hpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Olaf Krzikalla 2004-2006.
   4 // (C) Copyright Ion Gaztanaga  2006-2013
   5 //
   6 // Distributed under the Boost Software License, Version 1.0.
   7 //    (See accompanying file LICENSE_1_0.txt or copy at
   8 //          http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10 // See http://www.boost.org/libs/intrusive for documentation.
  11 //
  12 /////////////////////////////////////////////////////////////////////////////
  13
  14 #ifndef BOOST_INTRUSIVE_SLIST_NODE_HPP
  15 #define BOOST_INTRUSIVE_SLIST_NODE_HPP
  16
  17 #ifndef BOOST_CONFIG_HPP
  18 #  include <boost/config.hpp>
  19 #endif
  20
  21 #if defined(BOOST_HAS_PRAGMA_ONCE)
  22 #  pragma once
  23 #endif
  24
  25 #include <boost/intrusive/detail/config_begin.hpp>
  26 #include <boost/intrusive/detail/workaround.hpp>
  27 #include <boost/intrusive/pointer_rebind.hpp>
  28
  29 namespace boost {
  30 namespace intrusive {
  31
  32 template<class VoidPointer>
  33 struct slist_node
  34 {
  35    typedef typename pointer_rebind<VoidPointer, slist_node>::type   node_ptr;
  36    node_ptr next_;
  37 };
  38
  39 // slist_node_traits can be used with circular_slist_algorithms and supplies
  40 // a slist_node holding the pointers needed for a singly-linked list
  41 // it is used by slist_base_hook and slist_member_hook
  42 template<class VoidPointer>
  43 struct slist_node_traits
  44 {
  45    typedef slist_node<VoidPointer>  node;
  46    typedef typename node::node_ptr  node_ptr;
  47    typedef typename pointer_rebind<VoidPointer, const node>::type    const_node_ptr;
  48
  49    BOOST_INTRUSIVE_FORCEINLINE static node_ptr get_next(const const_node_ptr & n)
  50    {  return n->next_;  }
  51
  52    BOOST_INTRUSIVE_FORCEINLINE static node_ptr get_next(const node_ptr & n)
  53    {  return n->next_;  }
  54
  55    BOOST_INTRUSIVE_FORCEINLINE static void set_next(const node_ptr & n, const node_ptr & next)
  56    {  n->next_ = next;  }
  57 };
  58
  59 } //namespace intrusive
  60 } //namespace boost
  61
  62 #include <boost/intrusive/detail/config_end.hpp>
  63
  64 #endif //BOOST_INTRUSIVE_SLIST_NODE_HPP