ceph/src/boost/boost/interprocess/smart_ptr/deleter.hpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Ion Gaztanaga 2007-2012.
   4 //
   5 // Distributed under the Boost Software License, Version 1.0.
   6 // (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 // See http://www.boost.org/libs/interprocess for documentation.
  10 //
  11 //////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef BOOST_INTERPROCESS_DELETER_HPP
  14 #define BOOST_INTERPROCESS_DELETER_HPP
  15
  16 #ifndef BOOST_CONFIG_HPP
  17 #  include <boost/config.hpp>
  18 #endif
  19 #
  20 #if defined(BOOST_HAS_PRAGMA_ONCE)
  21 #  pragma once
  22 #endif
  23
  24 #include <boost/interprocess/detail/config_begin.hpp>
  25 #include <boost/interprocess/interprocess_fwd.hpp>
  26 #include <boost/interprocess/detail/utilities.hpp>
  27 #include <boost/intrusive/pointer_traits.hpp>
  28
  29 //!\file
  30 //!Describes the functor to delete objects from the segment.
  31
  32 namespace boost {
  33 namespace interprocess {
  34
  35 //!A deleter that uses the segment manager's destroy_ptr
  36 //!function to destroy the passed pointer resource.
  37 //!
  38 //!This deleter is used
  39 template<class T, class SegmentManager>
  40 class deleter
  41 {
  42    public:
  43    typedef typename boost::intrusive::
  44       pointer_traits<typename SegmentManager::void_pointer>::template
  45          rebind_pointer<T>::type                pointer;
  46
  47    private:
  48    typedef typename boost::intrusive::
  49       pointer_traits<pointer>::template
  50          rebind_pointer<SegmentManager>::type                segment_manager_pointer;
  51
  52    segment_manager_pointer mp_mngr;
  53
  54    public:
  55    deleter(segment_manager_pointer pmngr)
  56       :  mp_mngr(pmngr)
  57    {}
  58
  59    void operator()(const pointer &p)
  60    {  mp_mngr->destroy_ptr(ipcdetail::to_raw_pointer(p));   }
  61 };
  62
  63 }  //namespace interprocess {
  64 }  //namespace boost {
  65
  66 #include <boost/interprocess/detail/config_end.hpp>
  67
  68 #endif   //#ifndef BOOST_INTERPROCESS_DELETER_HPP