#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 boost::memory_order per the C++0x working draft

//

//  Copyright (c) 2008 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 boost

{

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

};

} // namespace boost

#endif // #ifndef BOOST_MEMORY_ORDER_HPP_INCLUDED