On Thu, Oct 15, 2020 at 12:14 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > Andres Freund <and...@anarazel.de> writes: > > On 2020-10-15 11:10:28 +1300, Thomas Munro wrote: > >> I don't think that's a problem -- the kernel will report the event to > >> each interested kqueue object. The attached fixes the problem for me. > > > Will it do so even if the kqueue is created after postmaster death? > > I did not try to test it, but there's code that purports to handle that > in latch.c, ~ line 1150, and the behavior it's expecting mostly agrees > with what I read in the macOS kevent man page. One thing I'd suggest
Yep, I did handle the obvious races here. > is that EACCES probably needs to be treated as "postmaster already dead", > too, in case the PID is now owned by another user ID. Good point. I'll push that change later today.
