Thomas Munro <thomas.munro@gmail.com> writes:
> I couldn't resist digging further into the Apple sources to figure out
> what was going on there, and I realised that the code path I was
> looking at can only report EACCES if you asked for NOTE_EXITSTATUS,
> which appears to be an Apple extension to the original FreeBSD kqueue
> system designed to let you receive the exit status of the monitored
> process. That is indeed much more privileged information, and it's
> only allowed for your own children.
Ah.
> So it's possible that commit
> 70516a17 was a waste of electrons, but I don't think it can hurt;
Yeah, I'm not inclined to revert it. If we did get that errno,
it'd be hard to interpret it in any way that didn't involve the
postmaster being gone.
regards, tom lane