On 2026-Jan-30, Andres Freund wrote:
> I don't remember. But back then way more complicated things were still running
> in signal handlers, and some signal handlers were capable of interrupting
> other signal handlers. Including doing crazy things like starting transactions
> in signal handlers (e.g. to process notify interrupts), which in turn could
> clear latches. So there was a lot more potential to stomp on each others work.
OK, thanks for clarifying. I think my proposal of moving the SetLatch()
needs more research, but it's likely the best way to address this
wrinkle.
> WRT the subject of this thread: I hope we aren't just enabling a timer
> to fire once a second forever but only when there actually is
> outstanding work?
I hope so too. (Just to be clear, I'm not claiming $SUBJECT as its
potential committer, and haven't actually reviewed it.)
--
Álvaro Herrera Breisgau, Deutschland — https://www.EnterpriseDB.com/
"People get annoyed when you try to debug them." (Larry Wall)
