[sigc] debian bug #326221 -- Unable to disconnect parentless slots???

[Paul Miller <paul pinheiro dyndns org>]

Was this bug ever resolved?

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=326221

I've been trying to declare a slot within a class definition and use 
the disconnect() and block() functions.  They do not prevent signals 
from calling the associated callback function.  However, calling 
my_slot(i) directly is blocked.

For example...

class foo : public sigc::trackable
{
	public:
		foo() {
			my_slot = sigc::mem_fun(this, &foo::fun);
		};
		~foo() {
			my_slot.disconnect();
		}

		sigc::slot<void, int> my_slot;

		void fun(int i) {
			std::cout << "i = " << i << '\n';
		}
};

Is there a better way to accomplish the same concept?

Thanks!
-Paul