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

   1 //////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Ion Gaztanaga 2006-2014. Distributed under the Boost
   4 // Software License, Version 1.0. (See accompanying file
   5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // See http://www.boost.org/libs/interprocess for documentation.
   8 //
   9 //////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef BOOST_INTERPROCESS_UNIQUE_PTR_HPP_INCLUDED
  12 #define BOOST_INTERPROCESS_UNIQUE_PTR_HPP_INCLUDED
  13
  14 #ifndef BOOST_CONFIG_HPP
  15 #  include <boost/config.hpp>
  16 #endif
  17 #
  18 #if defined(BOOST_HAS_PRAGMA_ONCE)
  19 #  pragma once
  20 #endif
  21
  22 #include <boost/interprocess/detail/config_begin.hpp>
  23 #include <boost/interprocess/detail/workaround.hpp>
  24 #include <boost/move/unique_ptr.hpp>
  25
  26 //!\file
  27 //!This header provides utilities to define a unique_ptr that plays nicely with managed segments.
  28
  29 namespace boost{
  30 namespace interprocess{
  31
  32 //For backwards compatibility
  33 using ::boost::movelib::unique_ptr;
  34
  35 //!Returns the type of a unique pointer
  36 //!of type T with boost::interprocess::deleter deleter
  37 //!that can be constructed in the given managed segment type.
  38 template<class T, class ManagedMemory>
  39 struct managed_unique_ptr
  40 {
  41    typedef boost::movelib::unique_ptr
  42    < T
  43    , typename ManagedMemory::template deleter<T>::type
  44    > type;
  45 };
  46
  47 //!Returns an instance of a unique pointer constructed
  48 //!with boost::interproces::deleter from a pointer
  49 //!of type T that has been allocated in the passed managed segment
  50 template<class T, class ManagedMemory>
  51 inline typename managed_unique_ptr<T, ManagedMemory>::type
  52    make_managed_unique_ptr(T *constructed_object, ManagedMemory &managed_memory)
  53 {
  54    return typename managed_unique_ptr<T, ManagedMemory>::type
  55       (constructed_object, managed_memory.template get_deleter<T>());
  56 }
  57
  58 }  //namespace interprocess{
  59 }  //namespace boost{
  60
  61 #include <boost/interprocess/detail/config_end.hpp>
  62
  63 #endif   //#ifndef BOOST_INTERPROCESS_UNIQUE_PTR_HPP_INCLUDED