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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 |