123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111 |
- //////////////////////////////////////////////////////////////////////////////
- //
- // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
- // Software License, Version 1.0. (See accompanying file
- // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- //
- // See http://www.boost.org/libs/interprocess for documentation.
- //
- //////////////////////////////////////////////////////////////////////////////
- #ifndef BOOST_INTERPROCESS_DETAIL_NODE_POOL_HPP
- #define BOOST_INTERPROCESS_DETAIL_NODE_POOL_HPP
- #ifndef BOOST_CONFIG_HPP
- # include <boost/config.hpp>
- #endif
- #
- #if defined(BOOST_HAS_PRAGMA_ONCE)
- # pragma once
- #endif
- #include <boost/interprocess/detail/config_begin.hpp>
- #include <boost/interprocess/detail/workaround.hpp>
- #include <boost/intrusive/slist.hpp>
- #include <boost/interprocess/detail/utilities.hpp>
- #include <boost/interprocess/allocators/detail/allocator_common.hpp>
- #include <boost/container/detail/node_pool_impl.hpp>
- #include <cstddef>
- //!\file
- //!Describes the real adaptive pool shared by many Interprocess adaptive pool allocators
- namespace boost {
- namespace interprocess {
- namespace ipcdetail {
- //!Pooled shared memory allocator using single segregated storage. Includes
- //!a reference count but the class does not delete itself, this is
- //!responsibility of user classes. Node size (NodeSize) and the number of
- //!nodes allocated per block (NodesPerBlock) are known at compile time
- template< class SegmentManager, std::size_t NodeSize, std::size_t NodesPerBlock >
- class private_node_pool
- //Inherit from the implementation to avoid template bloat
- : public boost::container::dtl::
- private_node_pool_impl<typename SegmentManager::segment_manager_base_type>
- {
- typedef boost::container::dtl::private_node_pool_impl
- <typename SegmentManager::segment_manager_base_type> base_t;
- //Non-copyable
- private_node_pool();
- private_node_pool(const private_node_pool &);
- private_node_pool &operator=(const private_node_pool &);
- public:
- typedef SegmentManager segment_manager;
- typedef typename base_t::size_type size_type;
- static const size_type nodes_per_block = NodesPerBlock;
- //Deprecated, use nodes_per_block
- static const size_type nodes_per_chunk = NodesPerBlock;
- //!Constructor from a segment manager. Never throws
- private_node_pool(segment_manager *segment_mngr)
- : base_t(segment_mngr, NodeSize, NodesPerBlock)
- {}
- //!Returns the segment manager. Never throws
- segment_manager* get_segment_manager() const
- { return static_cast<segment_manager*>(base_t::get_segment_manager_base()); }
- };
- //!Pooled shared memory allocator using single segregated storage. Includes
- //!a reference count but the class does not delete itself, this is
- //!responsibility of user classes. Node size (NodeSize) and the number of
- //!nodes allocated per block (NodesPerBlock) are known at compile time
- //!Pooled shared memory allocator using adaptive pool. Includes
- //!a reference count but the class does not delete itself, this is
- //!responsibility of user classes. Node size (NodeSize) and the number of
- //!nodes allocated per block (NodesPerBlock) are known at compile time
- template< class SegmentManager
- , std::size_t NodeSize
- , std::size_t NodesPerBlock
- >
- class shared_node_pool
- : public ipcdetail::shared_pool_impl
- < private_node_pool
- <SegmentManager, NodeSize, NodesPerBlock>
- >
- {
- typedef ipcdetail::shared_pool_impl
- < private_node_pool
- <SegmentManager, NodeSize, NodesPerBlock>
- > base_t;
- public:
- shared_node_pool(SegmentManager *segment_mgnr)
- : base_t(segment_mgnr)
- {}
- };
- } //namespace ipcdetail {
- } //namespace interprocess {
- } //namespace boost {
- #include <boost/interprocess/detail/config_end.hpp>
- #endif //#ifndef BOOST_INTERPROCESS_DETAIL_NODE_POOL_HPP
|