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73 lines
2.1 KiB
73 lines
2.1 KiB
////////////////////////////////////////////////////////////////////////////// |
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// |
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// (C) Copyright Ion Gaztanaga 2005-2009. Distributed under the Boost |
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// Software License, Version 1.0. (See accompanying file |
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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// |
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// See http://www.boost.org/libs/interprocess for documentation. |
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// |
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////////////////////////////////////////////////////////////////////////////// |
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#ifndef BOOST_INTERPROCESS_IN_PLACE_INTERFACE_HPP |
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#define BOOST_INTERPROCESS_IN_PLACE_INTERFACE_HPP |
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#if (defined _MSC_VER) && (_MSC_VER >= 1200) |
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# pragma once |
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#endif |
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#include <boost/interprocess/detail/config_begin.hpp> |
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#include <boost/interprocess/detail/workaround.hpp> |
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#include <boost/interprocess/detail/type_traits.hpp> |
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#include <boost/type_traits/alignment_of.hpp> |
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#include <typeinfo> //typeid |
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//!\file |
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//!Describes an abstract interface for placement construction and destruction. |
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namespace boost { |
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namespace interprocess { |
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namespace ipcdetail { |
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struct in_place_interface |
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{ |
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in_place_interface(std::size_t alignm, std::size_t sz, const char *tname) |
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: alignment(alignm), size(sz), type_name(tname) |
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{} |
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std::size_t alignment; |
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std::size_t size; |
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const char *type_name; |
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virtual void construct_n(void *mem, std::size_t num, std::size_t &constructed) = 0; |
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virtual void destroy_n(void *mem, std::size_t num, std::size_t &destroyed) = 0; |
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virtual ~in_place_interface(){} |
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}; |
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template<class T> |
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struct placement_destroy : public in_place_interface |
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{ |
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placement_destroy() |
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: in_place_interface(::boost::alignment_of<T>::value, sizeof(T), typeid(T).name()) |
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{} |
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virtual void destroy_n(void *mem, std::size_t num, std::size_t &destroyed) |
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{ |
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T* memory = static_cast<T*>(mem); |
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for(destroyed = 0; destroyed < num; ++destroyed) |
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(memory++)->~T(); |
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} |
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virtual void construct_n(void *, std::size_t, std::size_t &) {} |
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private: |
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void destroy(void *mem) |
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{ static_cast<T*>(mem)->~T(); } |
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}; |
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} |
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} |
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} //namespace boost { namespace interprocess { namespace ipcdetail { |
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#include <boost/interprocess/detail/config_end.hpp> |
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#endif //#ifndef BOOST_INTERPROCESS_IN_PLACE_INTERFACE_HPP
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