68 lines
1.2 KiB
C++
68 lines
1.2 KiB
C++
// Copyright 2011, 2020 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/intrusive_ptr.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#include <functional>
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#if defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
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int main() {}
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#else
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class base
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{
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private:
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int use_count_;
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base(base const &);
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base & operator=(base const &);
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protected:
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base(): use_count_(0)
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{
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}
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virtual ~base()
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{
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}
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public:
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long use_count() const
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{
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return use_count_;
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}
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inline friend void intrusive_ptr_add_ref(base * p)
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{
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++p->use_count_;
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}
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inline friend void intrusive_ptr_release(base * p)
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{
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if(--p->use_count_ == 0) delete p;
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}
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};
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struct X: public base
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{
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};
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int main()
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{
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boost::intrusive_ptr<X> p1, p2( new X );
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BOOST_TEST_EQ( std::hash< boost::intrusive_ptr<X> >()( p1 ), std::hash< X* >()( p1.get() ) );
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BOOST_TEST_EQ( std::hash< boost::intrusive_ptr<X> >()( p2 ), std::hash< X* >()( p2.get() ) );
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return boost::report_errors();
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}
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#endif // #if defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
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