ceph/src/boost/libs/interprocess/include/boost/interprocess/creation_tags.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_CREATION_TAGS_HPP
  12 #define BOOST_INTERPROCESS_CREATION_TAGS_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 namespace boost {
  26 namespace interprocess {
  27
  28 //!Tag to indicate that the resource must
  29 //!be only created
  30 struct create_only_t {};
  31
  32 //!Tag to indicate that the resource must
  33 //!be only opened
  34 struct open_only_t {};
  35
  36 //!Tag to indicate that the resource must
  37 //!be only opened for reading
  38 struct open_read_only_t {};
  39
  40 //!Tag to indicate that the resource must
  41 //!be only opened privately for reading
  42 struct open_read_private_t {};
  43
  44 //!Tag to indicate that the resource must
  45 //!be only opened for reading
  46 struct open_copy_on_write_t {};
  47
  48 //!Tag to indicate that the resource must
  49 //!be created. If already created, it must be opened.
  50 struct open_or_create_t {};
  51
  52 //!Value to indicate that the resource must
  53 //!be only created
  54 static const create_only_t    create_only    = create_only_t();
  55
  56 //!Value to indicate that the resource must
  57 //!be only opened
  58 static const open_only_t      open_only      = open_only_t();
  59
  60 //!Value to indicate that the resource must
  61 //!be only opened for reading
  62 static const open_read_only_t open_read_only = open_read_only_t();
  63
  64 //!Value to indicate that the resource must
  65 //!be created. If already created, it must be opened.
  66 static const open_or_create_t open_or_create = open_or_create_t();
  67
  68 //!Value to indicate that the resource must
  69 //!be only opened for reading
  70 static const open_copy_on_write_t open_copy_on_write = open_copy_on_write_t();
  71
  72 namespace ipcdetail {
  73
  74 enum create_enum_t
  75 {  DoCreate, DoOpen, DoOpenOrCreate   };
  76
  77 }  //namespace ipcdetail {
  78
  79 }  //namespace interprocess {
  80 }  //namespace boost {
  81
  82 #include <boost/interprocess/detail/config_end.hpp>
  83
  84 #endif   //#ifndef BOOST_INTERPROCESS_CREATION_TAGS_HPP
  85