Sorry, maybe I was unclear, when I pointed out that this work was in 2022 that's not because I was trying to say it's recent, that's two years ago. The current work was in 2024.
Edited to add: Since we're going back and forth I read the blame log, the Linux implementation, with which I'm most familiar, is still 85% Mara's although with some meaningful changes from 2024.
Here's the 2024 rework of Windows Mutex: https://github.com/rust-lang/rust/pull/121956/
Edited to add: Since we're going back and forth I read the blame log, the Linux implementation, with which I'm most familiar, is still 85% Mara's although with some meaningful changes from 2024.