Re: Readiness notification exemplars
Brett Neumeier: It's maybe a little heavy-handed, but is there any technical reason not to just pick an arbitrary FD, like say 3, and just always use that for a particular daemon? Further to what M. Bercot said, see https://unix.stackexchange.com/a/331104/5132 .
helpcovid and s6
Help is welcome at https://github.com/bstarynk/helpcovid/issues/34 .