| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Using WaitEventSet in the postmaster |
| Date: | 2022-12-06 23:12:30 |
| Message-ID: | 20221206231230.3vwxd5dfc3gkf4vl@awork3.anarazel.de |
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| Thread: | |
| Lists: | pgsql-hackers |
On 2022-12-07 00:58:06 +1300, Thomas Munro wrote:
> One way to fix that for the epoll version is to EPOLL_CTL_DEL and
> EPOLL_CTL_ADD, whenever transitioning to/from a zero event mask.
> Tried like that in this version. Another approach would be to
> (finally) write DeleteWaitEvent() to do the same thing at a higher
> level... seems overkill for this.
What about just recreating the WES during crash restart?
> > This seems to hardcode the specific wait events we're waiting for based on
> > latch.c infrastructure. Not really convinced that's a good idea.
>
> What are you objecting to? The assumption that the first socket is at
> position 1? The use of GetNumRegisteredWaitEvents()?
The latter.
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