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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2005-2011. 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 ipcdetail::simple_seq_fit_impl<MutexFamily, VoidPtr>
{
typedef ipcdetail::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 (size_type size, size_type 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 (size_type 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
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