Chris@102: #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SPIN_HPP_INCLUDED
Chris@102: #define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SPIN_HPP_INCLUDED
Chris@102: 
Chris@102: //
Chris@102: //  boost/detail/atomic_count_spin.hpp
Chris@102: //
Chris@102: //  Copyright (c) 2013 Peter Dimov
Chris@102: //
Chris@102: //  Distributed under the Boost Software License, Version 1.0.
Chris@102: //  See accompanying file LICENSE_1_0.txt or copy at
Chris@102: //  http://www.boost.org/LICENSE_1_0.txt
Chris@102: //
Chris@102: 
Chris@102: #include <boost/smart_ptr/detail/spinlock_pool.hpp>
Chris@102: 
Chris@102: namespace boost
Chris@102: {
Chris@102: 
Chris@102: namespace detail
Chris@102: {
Chris@102: 
Chris@102: class atomic_count
Chris@102: {
Chris@102: private:
Chris@102: 
Chris@102: public:
Chris@102: 
Chris@102:     explicit atomic_count( long v ): value_( v )
Chris@102:     {
Chris@102:     }
Chris@102: 
Chris@102:     long operator++()
Chris@102:     {
Chris@102:         spinlock_pool<0>::scoped_lock lock( &value_ );
Chris@102:         return ++value_;
Chris@102:     }
Chris@102: 
Chris@102:     long operator--()
Chris@102:     {
Chris@102:         spinlock_pool<0>::scoped_lock lock( &value_ );
Chris@102:         return --value_;
Chris@102:     }
Chris@102: 
Chris@102:     operator long() const
Chris@102:     {
Chris@102:         spinlock_pool<0>::scoped_lock lock( &value_ );
Chris@102:         return value_;
Chris@102:     }
Chris@102: 
Chris@102: private:
Chris@102: 
Chris@102:     atomic_count(atomic_count const &);
Chris@102:     atomic_count & operator=(atomic_count const &);
Chris@102: 
Chris@102:     long value_;
Chris@102: };
Chris@102: 
Chris@102: } // namespace detail
Chris@102: 
Chris@102: } // namespace boost
Chris@102: 
Chris@102: #endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SPIN_HPP_INCLUDED