On Wed, 1 Mar 2023 at 10:04, Barry <ba...@barrys-emacs.org> wrote: > > > Though it's still probably not as useful as you might hope. In C, if I > > can do "int id = counter++;" atomically, it would guarantee me a new > > ID that no other thread could ever have. > > C does not have to do that atomically. In fact it is free to use lots of > instructions to build the int value. And some compilers indeed do, the linux > kernel folks see this in gcc generated code. > > I understand you have to use the new atomics features. >
Yeah, I didn't have a good analogy so I went with a hypothetical. The atomicity would be more useful in that context as it would give lock-free ID generation, which doesn't work in Python. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
