In Python specifically, how do variables get shared between threads?
Although I have used
threading.Thread before I never really understood or saw examples of how variables got shared. Are they shared between the main thread and the children or only among the children? When would I need to use thread local storage to avoid this sharing?
I have seen many warnings about synchronizing access to shared data among threads by using locks but I have yet to see a really good example of the problem.
Thanks in advance!