ceph/src/boost/boost/interprocess/mem_algo/simple_seq_fit.hpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
   4 // Software License, Version 1.0. (See accompanying file
   5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // See http://www.boost.org/libs/interprocess for documentation.
   8 //
   9 //////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef BOOST_INTERPROCESS_SIMPLE_SEQ_FIT_HPP
  12 #define BOOST_INTERPROCESS_SIMPLE_SEQ_FIT_HPP
  13
  14 #ifndef BOOST_CONFIG_HPP
  15 #  include <boost/config.hpp>
  16 #endif
  17 #
  18 #if defined(BOOST_HAS_PRAGMA_ONCE)
  19 #  pragma once
  20 #endif
  21
  22 #include <boost/interprocess/detail/config_begin.hpp>
  23 #include <boost/interprocess/detail/workaround.hpp>
  24
  25 #include <boost/interprocess/interprocess_fwd.hpp>
  26 #include <boost/interprocess/mem_algo/detail/simple_seq_fit_impl.hpp>
  27 #include <boost/interprocess/offset_ptr.hpp>
  28
  29 //!\file
  30 //!Describes sequential fit algorithm used to allocate objects in shared memory.
  31
  32 namespace boost {
  33 namespace interprocess {
  34
  35 //!This class implements the simple sequential fit algorithm with a simply
  36 //!linked list of free buffers.
  37 template<class MutexFamily, class VoidPointer>
  38 class simple_seq_fit
  39    : public ipcdetail::simple_seq_fit_impl<MutexFamily, VoidPointer>
  40 {
  41    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
  42    typedef ipcdetail::simple_seq_fit_impl<MutexFamily, VoidPointer> base_t;
  43    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
  44
  45    public:
  46    typedef typename base_t::size_type                            size_type;
  47
  48    //!Constructor. "size" is the total size of the managed memory segment,
  49    //!"extra_hdr_bytes" indicates the extra bytes beginning in the sizeof(simple_seq_fit)
  50    //!offset that the allocator should not use at all.*/
  51    simple_seq_fit(size_type segment_size, size_type extra_hdr_bytes)
  52       : base_t(segment_size, extra_hdr_bytes){}
  53 };
  54
  55 }  //namespace interprocess {
  56
  57 }  //namespace boost {
  58
  59 #include <boost/interprocess/detail/config_end.hpp>
  60
  61 #endif   //#ifndef BOOST_INTERPROCESS_SIMPLE_SEQ_FIT_HPP
  62