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1 | ////////////////////////////////////////////////////////////////////////////// |
2 | // | |
3 | // (C) Copyright Ion Gaztanaga 2005-2012. 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_DETAIL_NODE_POOL_HPP | |
12 | #define BOOST_INTERPROCESS_DETAIL_NODE_POOL_HPP | |
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 | ||
25 | #include <boost/intrusive/slist.hpp> | |
26 | #include <boost/interprocess/detail/utilities.hpp> | |
27 | #include <boost/interprocess/allocators/detail/allocator_common.hpp> | |
28 | #include <boost/container/detail/node_pool_impl.hpp> | |
29 | #include <cstddef> | |
30 | ||
31 | ||
32 | //!\file | |
33 | //!Describes the real adaptive pool shared by many Interprocess adaptive pool allocators | |
34 | ||
35 | namespace boost { | |
36 | namespace interprocess { | |
37 | namespace ipcdetail { | |
38 | ||
39 | ||
40 | ||
41 | //!Pooled shared memory allocator using single segregated storage. Includes | |
42 | //!a reference count but the class does not delete itself, this is | |
43 | //!responsibility of user classes. Node size (NodeSize) and the number of | |
44 | //!nodes allocated per block (NodesPerBlock) are known at compile time | |
45 | template< class SegmentManager, std::size_t NodeSize, std::size_t NodesPerBlock > | |
46 | class private_node_pool | |
47 | //Inherit from the implementation to avoid template bloat | |
48 | : public boost::container::container_detail:: | |
49 | private_node_pool_impl<typename SegmentManager::segment_manager_base_type> | |
50 | { | |
51 | typedef boost::container::container_detail::private_node_pool_impl | |
52 | <typename SegmentManager::segment_manager_base_type> base_t; | |
53 | //Non-copyable | |
54 | private_node_pool(); | |
55 | private_node_pool(const private_node_pool &); | |
56 | private_node_pool &operator=(const private_node_pool &); | |
57 | ||
58 | public: | |
59 | typedef SegmentManager segment_manager; | |
60 | typedef typename base_t::size_type size_type; | |
61 | ||
62 | static const size_type nodes_per_block = NodesPerBlock; | |
63 | //Deprecated, use nodes_per_block | |
64 | static const size_type nodes_per_chunk = NodesPerBlock; | |
65 | ||
66 | //!Constructor from a segment manager. Never throws | |
67 | private_node_pool(segment_manager *segment_mngr) | |
68 | : base_t(segment_mngr, NodeSize, NodesPerBlock) | |
69 | {} | |
70 | ||
71 | //!Returns the segment manager. Never throws | |
72 | segment_manager* get_segment_manager() const | |
73 | { return static_cast<segment_manager*>(base_t::get_segment_manager_base()); } | |
74 | }; | |
75 | ||
76 | ||
77 | //!Pooled shared memory allocator using single segregated storage. Includes | |
78 | //!a reference count but the class does not delete itself, this is | |
79 | //!responsibility of user classes. Node size (NodeSize) and the number of | |
80 | //!nodes allocated per block (NodesPerBlock) are known at compile time | |
81 | //!Pooled shared memory allocator using adaptive pool. Includes | |
82 | //!a reference count but the class does not delete itself, this is | |
83 | //!responsibility of user classes. Node size (NodeSize) and the number of | |
84 | //!nodes allocated per block (NodesPerBlock) are known at compile time | |
85 | template< class SegmentManager | |
86 | , std::size_t NodeSize | |
87 | , std::size_t NodesPerBlock | |
88 | > | |
89 | class shared_node_pool | |
90 | : public ipcdetail::shared_pool_impl | |
91 | < private_node_pool | |
92 | <SegmentManager, NodeSize, NodesPerBlock> | |
93 | > | |
94 | { | |
95 | typedef ipcdetail::shared_pool_impl | |
96 | < private_node_pool | |
97 | <SegmentManager, NodeSize, NodesPerBlock> | |
98 | > base_t; | |
99 | public: | |
100 | shared_node_pool(SegmentManager *segment_mgnr) | |
101 | : base_t(segment_mgnr) | |
102 | {} | |
103 | }; | |
104 | ||
105 | } //namespace ipcdetail { | |
106 | } //namespace interprocess { | |
107 | } //namespace boost { | |
108 | ||
109 | #include <boost/interprocess/detail/config_end.hpp> | |
110 | ||
111 | #endif //#ifndef BOOST_INTERPROCESS_DETAIL_NODE_POOL_HPP |