foobar2000/SDK/service_impl.h

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template<typename T>
class service_impl_t : public T
{
public:
        int FB2KAPI service_release() throw() {
                int ret = --m_counter; 
                if (ret == 0) try { delete this; } catch(...) {PFC_ASSERT(0);}
                return ret;}
        int FB2KAPI service_add_ref() throw() {return ++m_counter;}

        TEMPLATE_CONSTRUCTOR_FORWARD_FLOOD(service_impl_t,T)
private:
        pfc::refcounter m_counter;
};

template<typename T>
class service_impl_single_t : public T
{
public:
        int FB2KAPI service_release() throw() {return 1;}
        int FB2KAPI service_add_ref() throw() {return 1;}

        TEMPLATE_CONSTRUCTOR_FORWARD_FLOOD(service_impl_single_t,T)
};

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