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63 lines
1.2 KiB
63 lines
1.2 KiB
#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED |
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#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED |
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// MS compatible compilers support #pragma once |
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#if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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# pragma once |
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#endif |
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// |
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// boost/detail/atomic_count_win32.hpp |
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// |
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// Copyright (c) 2001-2005 Peter Dimov |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See |
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// accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// |
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#include <boost/detail/interlocked.hpp> |
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namespace boost |
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{ |
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namespace detail |
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{ |
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class atomic_count |
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{ |
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public: |
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explicit atomic_count( long v ): value_( v ) |
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{ |
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} |
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long operator++() |
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{ |
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return BOOST_INTERLOCKED_INCREMENT( &value_ ); |
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} |
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long operator--() |
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{ |
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return BOOST_INTERLOCKED_DECREMENT( &value_ ); |
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} |
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operator long() const |
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{ |
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return static_cast<long const volatile &>( value_ ); |
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} |
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private: |
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atomic_count( atomic_count const & ); |
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atomic_count & operator=( atomic_count const & ); |
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long value_; |
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}; |
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} // namespace detail |
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} // namespace boost |
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#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_WIN32_HPP_INCLUDED
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