Look free ID genertion (was: Is there a more efficient threading lock?)

[Chris Angelico]

On Thu, 2 Mar 2023 at 13:02, Weatherby,Gerard <gweatherby at uchc.edu> wrote:
>
> So I guess we know what would have happened.
>

Yep. It's not what I was talking about, but it's also a very important
concurrency management feature.

ChrisA