#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED | |
#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED | |
// MS compatible compilers support #pragma once | |
#if defined(_MSC_VER) && (_MSC_VER >= 1020) | |
# pragma once | |
#endif | |
// | |
// boost/detail/atomic_count_win32.hpp | |
// | |
// Copyright (c) 2001-2005 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) | |
// | |
#include <boost/detail/interlocked.hpp> | |
namespace boost | |
{ | |
namespace detail | |
{ | |
class atomic_count | |
{ | |
public: | |
explicit atomic_count( long v ): value_( v ) | |
{ | |
} | |
long operator++() | |
{ | |
return BOOST_INTERLOCKED_INCREMENT( &value_ ); | |
} | |
long operator--() | |
{ | |
return BOOST_INTERLOCKED_DECREMENT( &value_ ); | |
} | |
operator long() const | |
{ | |
return static_cast<long const volatile &>( value_ ); | |
} | |
private: | |
atomic_count( atomic_count const & ); | |
atomic_count & operator=( atomic_count const & ); | |
long value_; | |
}; | |
} // namespace detail | |
} // namespace boost | |
#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED |