Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
Chris@16: // Software License, Version 1.0. (See accompanying file
Chris@16: // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/interprocess for documentation.
Chris@16: //
Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: 
Chris@16: #ifndef BOOST_INTERPROCESS_IN_PLACE_INTERFACE_HPP
Chris@16: #define BOOST_INTERPROCESS_IN_PLACE_INTERFACE_HPP
Chris@16: 
Chris@101: #ifndef BOOST_CONFIG_HPP
Chris@101: #  include <boost/config.hpp>
Chris@101: #endif
Chris@101: #
Chris@101: #if defined(BOOST_HAS_PRAGMA_ONCE)
Chris@16: #  pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/interprocess/detail/config_begin.hpp>
Chris@16: #include <boost/interprocess/detail/workaround.hpp>
Chris@16: #include <boost/interprocess/detail/type_traits.hpp>
Chris@101: #include <boost/container/detail/type_traits.hpp>  //alignment_of, aligned_storage
Chris@16: #include <typeinfo>  //typeid
Chris@16: 
Chris@16: //!\file
Chris@16: //!Describes an abstract interface for placement construction and destruction.
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace interprocess {
Chris@16: namespace ipcdetail {
Chris@16: 
Chris@16: struct in_place_interface
Chris@16: {
Chris@16:    in_place_interface(std::size_t alignm, std::size_t sz, const char *tname)
Chris@16:    :  alignment(alignm), size(sz), type_name(tname)
Chris@16:    {}
Chris@16: 
Chris@16:    std::size_t alignment;
Chris@16:    std::size_t size;
Chris@16:    const char *type_name;
Chris@16: 
Chris@16:    virtual void construct_n(void *mem, std::size_t num, std::size_t &constructed) = 0;
Chris@16:    virtual void destroy_n(void *mem, std::size_t num, std::size_t &destroyed) = 0;
Chris@16:    virtual ~in_place_interface(){}
Chris@16: };
Chris@16: 
Chris@16: template<class T>
Chris@16: struct placement_destroy :  public in_place_interface
Chris@16: {
Chris@16:    placement_destroy()
Chris@101:       :  in_place_interface(::boost::container::container_detail::alignment_of<T>::value, sizeof(T), typeid(T).name())
Chris@16:    {}
Chris@16: 
Chris@16:    virtual void destroy_n(void *mem, std::size_t num, std::size_t &destroyed)
Chris@16:    {
Chris@16:       T* memory = static_cast<T*>(mem);
Chris@16:       for(destroyed = 0; destroyed < num; ++destroyed)
Chris@16:          (memory++)->~T();
Chris@16:    }
Chris@16: 
Chris@16:    virtual void construct_n(void *, std::size_t, std::size_t &) {}
Chris@16: 
Chris@16:    private:
Chris@16:    void destroy(void *mem)
Chris@16:    {  static_cast<T*>(mem)->~T();   }
Chris@16: };
Chris@16: 
Chris@16: }
Chris@16: }
Chris@16: }   //namespace boost { namespace interprocess { namespace ipcdetail {
Chris@16: 
Chris@16: #include <boost/interprocess/detail/config_end.hpp>
Chris@16: 
Chris@16: #endif //#ifndef BOOST_INTERPROCESS_IN_PLACE_INTERFACE_HPP