| 1 | #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_NT_HPP_INCLUDED |
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| 2 | #define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_NT_HPP_INCLUDED |
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| 3 | |
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| 4 | // |
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| 5 | // boost/detail/atomic_count_nt.hpp |
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| 6 | // |
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| 7 | // Trivial atomic_count for the single-threaded case |
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| 8 | // |
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| 9 | // http://gcc.gnu.org/onlinedocs/porting/Thread-safety.html |
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| 10 | // |
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| 11 | // Copyright 2013 Peter Dimov |
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| 12 | // |
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| 13 | // Distributed under the Boost Software License, Version 1.0. |
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| 14 | // See accompanying file LICENSE_1_0.txt or copy at |
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| 15 | // http://www.boost.org/LICENSE_1_0.txt |
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| 16 | // |
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| 17 | |
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| 18 | namespace boost |
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| 19 | { |
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| 20 | |
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| 21 | namespace detail |
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| 22 | { |
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| 23 | |
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| 24 | class atomic_count |
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| 25 | { |
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| 26 | public: |
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| 27 | |
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| 28 | explicit atomic_count( long v ): value_( v ) |
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| 29 | { |
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| 30 | } |
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| 31 | |
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| 32 | long operator++() |
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| 33 | { |
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| 34 | return ++value_; |
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| 35 | } |
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| 36 | |
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| 37 | long operator--() |
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| 38 | { |
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| 39 | return --value_; |
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| 40 | } |
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| 41 | |
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| 42 | operator long() const |
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| 43 | { |
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| 44 | return value_; |
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| 45 | } |
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| 46 | |
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| 47 | private: |
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| 48 | |
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| 49 | atomic_count(atomic_count const &); |
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| 50 | atomic_count & operator=(atomic_count const &); |
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| 51 | |
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| 52 | long value_; |
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| 53 | }; |
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| 54 | |
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| 55 | } // namespace detail |
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| 56 | |
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| 57 | } // namespace boost |
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| 58 | |
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| 59 | #endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_NT_HPP_INCLUDED |
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| 60 | |
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