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- #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SPIN_HPP_INCLUDED
- #define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SPIN_HPP_INCLUDED
- //
- // boost/detail/atomic_count_spin.hpp
- //
- // Copyright (c) 2013 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/smart_ptr/detail/spinlock_pool.hpp>
- namespace boost
- {
- namespace detail
- {
- class atomic_count
- {
- private:
- public:
- explicit atomic_count( long v ): value_( v )
- {
- }
- long operator++()
- {
- spinlock_pool<0>::scoped_lock lock( &value_ );
- return ++value_;
- }
- long operator--()
- {
- spinlock_pool<0>::scoped_lock lock( &value_ );
- return --value_;
- }
- operator long() const
- {
- spinlock_pool<0>::scoped_lock lock( &value_ );
- return 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_SPIN_HPP_INCLUDED
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