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-#ifndef BOOST_MEMORY_ORDER_HPP_INCLUDED
-#define BOOST_MEMORY_ORDER_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-// boost/memory_order.hpp
-//
-// Defines enum cutl_details_boost::memory_order per the C++0x working draft
-//
-// Copyright (c) 2008, 2009 Peter Dimov
-//
-// 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)
-
-
-namespace cutl_details_boost
-{
-
-//
-// Enum values are chosen so that code that needs to insert
-// a trailing fence for acquire semantics can use a single
-// test such as:
-//
-// if( mo & memory_order_acquire ) { ...fence... }
-//
-// For leading fences one can use:
-//
-// if( mo & memory_order_release ) { ...fence... }
-//
-// Architectures such as Alpha that need a fence on consume
-// can use:
-//
-// if( mo & ( memory_order_acquire | memory_order_consume ) ) { ...fence... }
-//
-
-enum memory_order
-{
- memory_order_relaxed = 0,
- memory_order_acquire = 1,
- memory_order_release = 2,
- memory_order_acq_rel = 3, // acquire | release
- memory_order_seq_cst = 7, // acq_rel | 4
- memory_order_consume = 8
-};
-
-} // namespace cutl_details_boost
-
-#endif // #ifndef BOOST_MEMORY_ORDER_HPP_INCLUDED