C++ (Cpp) px4 Exemples

Exemple #1

Fichier : intrusive_ptr_test.cpp Projet : NeoAnomaly/xray

void test()
{
    {
        boost::intrusive_ptr<X> px;
        test3(px, px);

        boost::intrusive_ptr<X> px2;
        test3(px, px2);

        boost::intrusive_ptr<X> px3(px);
        test3(px3, px3);
        test3(px, px3);
    }

    {
        boost::intrusive_ptr<X> px;

        boost::intrusive_ptr<X> px2(new X);
        test3(px, px2);
        test3(px2, px2);

        boost::intrusive_ptr<X> px3(new X);
        test3(px2, px3);

        boost::intrusive_ptr<X> px4(px2);
        test3(px2, px4);
        test3(px4, px4);
    }

    {
        boost::intrusive_ptr<X> px(new X);

        boost::intrusive_ptr<Y> py(new Y);
        test2(px, py);

        boost::intrusive_ptr<X> px2(py);
        test2(px2, py);
        test3(px, px2);
        test3(px2, px2);
    }
}

Exemple #2

Fichier : sp_atomic_test.cpp Projet : 0xDEC0DE8/mcsema

int main()
{
    boost::shared_ptr<X> px( new X );

    {
        boost::shared_ptr<X> p2 = boost::atomic_load( &px );
        BOOST_TEST_SP_EQ( p2, px );

        boost::shared_ptr<X> px2( new X );
        boost::atomic_store( &px, px2 );
        BOOST_TEST_SP_EQ( px, px2 );

        p2 = boost::atomic_load( &px );
        BOOST_TEST_SP_EQ( p2, px );
        BOOST_TEST_SP_EQ( p2, px2 );

        boost::shared_ptr<X> px3( new X );
        boost::shared_ptr<X> p3 = boost::atomic_exchange( &px, px3 );
        BOOST_TEST_SP_EQ( p3, px2 );
        BOOST_TEST_SP_EQ( px, px3 );

        boost::shared_ptr<X> px4( new X );
        boost::shared_ptr<X> cmp;

        bool r = boost::atomic_compare_exchange( &px, &cmp, px4 );
        BOOST_TEST( !r );
        BOOST_TEST_SP_EQ( px, px3 );
        BOOST_TEST_SP_EQ( cmp, px3 );

        r = boost::atomic_compare_exchange( &px, &cmp, px4 );
        BOOST_TEST( r );
        BOOST_TEST_SP_EQ( px, px4 );
    }

    //

    px.reset();

    {
        boost::shared_ptr<X> p2 = boost::atomic_load_explicit( &px, boost::memory_order_acquire );
        BOOST_TEST_SP_EQ( p2, px );

        boost::shared_ptr<X> px2( new X );
        boost::atomic_store_explicit( &px, px2, boost::memory_order_release );
        BOOST_TEST_SP_EQ( px, px2 );

        boost::shared_ptr<X> p3 = boost::atomic_exchange_explicit( &px, boost::shared_ptr<X>(), boost::memory_order_acq_rel );
        BOOST_TEST_SP_EQ( p3, px2 );
        BOOST_TEST_SP_EQ( px, p2 );

        boost::shared_ptr<X> px4( new X );
        boost::shared_ptr<X> cmp( px2 );

        bool r = boost::atomic_compare_exchange_explicit( &px, &cmp, px4, boost::memory_order_acquire, boost::memory_order_relaxed );
        BOOST_TEST( !r );
        BOOST_TEST_SP_EQ( px, p2 );
        BOOST_TEST_SP_EQ( cmp, p2 );

        r = boost::atomic_compare_exchange_explicit( &px, &cmp, px4, boost::memory_order_release, boost::memory_order_acquire );
        BOOST_TEST( r );
        BOOST_TEST_SP_EQ( px, px4 );
    }

    return boost::report_errors();
}