Running method while destroying the object

Question

A few days ago my friend told me about the situation, they had in their project. Someone decided, that it would be good to destroy the object of NotVerySafeClass

Answer 1

There is no methods that can be used to prevent this scenario.

In multithread programming, you need to make sure that an object will not be deleted if there are some others thread still accessing it.

If you are dealing with such code, it needs fundamental fix