gistfile1.cpp

template <class T>
class RefCounted {
public:
    void incRef()
    {
        m_refcount++;
    }

    void decRef()
    {
        ASSERT(m_refcount > 0);
        if (--m_refcount == 0)
            delete static_cast<T*>(this);
    }

    unsigned getRef() const
    {
        return m_refcount;
    }

protected:
    RefCounted()
        : m_refcount(0)
    {}

private:
    RefCounted(const RefCounted&);
    const RefCounted& operator=(const RefCounted&);

private:
    unsigned m_refcount;
};

template <class T>
void intrusive_ptr_add_ref(RefCounted<T> *p)
{
    p->incRef();
}

template <class T>
void intrusive_ptr_release(RefCounted<T> *p)
{
    p->decRef();
}