| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Masahiro Ikeda <ikedamsh(at)oss(dot)nttdata(dot)com> |
| Cc: | Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, Tristan Partin <tristan(at)neon(dot)tech>, andres(at)anarazel(dot)de, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Support to define custom wait events for extensions |
| Date: | 2023-08-01 03:14:49 |
| Message-ID: | ZMh4qaxwjNE80tmo@paquier.xyz |
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| Lists: | pgsql-hackers |
On Tue, Aug 01, 2023 at 11:51:35AM +0900, Masahiro Ikeda wrote:
> Thanks for committing the main patch.
>
> In my understanding, the rest works are
> * to support WaitEventExtensionMultiple()
> * to replace WAIT_EVENT_EXTENSION to custom wait events
>
> Do someone already works for them? If not, I'll consider
> how to realize them.
Note that postgres_fdw and dblink use WAIT_EVENT_EXTENSION, but have
no dependency to shared_preload_libraries. Perhaps these could just
use a dynamic handling but that deserves a separate discussion because
of the fact that they'd need shared memory without being able to
request it. autoprewarm.c is much simpler.
--
Michael
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