[Bro-Commits] [git/bro] topic/robin/threading-fix: Reworking thread termination logic. (c3c6967)

Turns out I still get occasional missing output on Mac (but only in
optimized mode so far). :frowning:

Don't know why, but I have to stop now, and not sure if I'll get back
to it tomorrow. If anyone wants to take a look, please go ahead.