| ////////////////////////////////////////////////////////////////////////////// |
| // |
| // (C) Copyright Ion Gaztanaga 2005-2009. 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_MULTI_SIMPLE_SEQ_FIT_HPP |
| #define BOOST_INTERPROCESS_MULTI_SIMPLE_SEQ_FIT_HPP |
| |
| #if (defined _MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif |
| |
| #include <boost/interprocess/detail/config_begin.hpp> |
| #include <boost/interprocess/detail/workaround.hpp> |
| |
| #include <boost/interprocess/interprocess_fwd.hpp> |
| #include <boost/interprocess/mem_algo/detail/simple_seq_fit_impl.hpp> |
| #include <boost/interprocess/intersegment_ptr.hpp> |
| |
| /*!\file |
| Describes sequential fit algorithm used to allocate objects in shared memory. |
| */ |
| |
| namespace boost { |
| |
| namespace interprocess { |
| |
| /*!This class implements the simple sequential fit algorithm with a simply |
| linked list of free buffers.*/ |
| template<class MutexFamily, class VoidPtr> |
| class multi_simple_seq_fit |
| : public detail::simple_seq_fit_impl<MutexFamily, VoidPtr> |
| { |
| typedef detail::simple_seq_fit_impl<MutexFamily, VoidPtr> base_t; |
| public: |
| /*!Constructor. "size" is the total size of the managed memory segment, |
| "extra_hdr_bytes" indicates the extra bytes beginning in the sizeof(multi_simple_seq_fit) |
| offset that the allocator should not use at all.*/ |
| multi_simple_seq_fit (std::size_t size, std::size_t extra_hdr_bytes) |
| : base_t(size, extra_hdr_bytes){} |
| |
| /*!Allocates bytes from existing segments. If there is no memory, it uses |
| the growing functor associated with the group to allocate a new segment. |
| If this fails, returns 0.*/ |
| void* allocate (std::size_t nbytes) |
| { return base_t::multi_allocate(nbytes); } |
| }; |
| |
| } //namespace interprocess { |
| |
| } //namespace boost { |
| |
| #include <boost/interprocess/detail/config_end.hpp> |
| |
| #endif //#ifndef BOOST_INTERPROCESS_MULTI_SIMPLE_SEQ_FIT_HPP |
| |