class HANDLEX
    {
    private:
        HANDLE hX = INVALID_HANDLE_VALUE;
        shared_ptr<void> sh;

    public:
        HANDLE op()
            {
            return hX;
            }

        void fin()
            {
            if (sh.unique())
                {
                CloseHandle(hX);
                hX = INVALID_HANDLE_VALUE;
                }
            }

        HANDLEX(HANDLE a)
            {
            hX = a;
            }
        HANDLEX(HANDLEX& h)
            {
            operator=(h);
            }
        ~HANDLEX()
            {
            fin();
            }
        void operator=(HANDLEX& h)
            {
            fin();
            hX = h.hX;
            }
    };