Anyone who claims that MacOS has anything to do with BSD is lying. Almost all BSD system calls are horribly broken in one way or the other, and it's easier just to ignore them altogether.
But I still enjoy reading gems like this in code.
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.