| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Daniel Gustafsson <daniel(at)yesql(dot)se> |
| Cc: | Rahila Syed <rahilasyed90(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, Tomas Vondra <tomas(at)vondra(dot)me> |
| Subject: | Re: Prevent an error on attaching/creating a DSM/DSA from an interrupt handler. |
| Date: | 2025-04-30 22:03:49 |
| Message-ID: | CA+TgmoYWbjZ9k1kuia2CXfJ3+b6G+=AayzU-hsXdtvGLgstFcw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Apr 30, 2025 at 5:24 PM Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:
> Attached is a current v4 with a few small tweaks.
Sorry to turn up late here, but I strongly disagree with the notion
that this is a bug in the DSM or DSA code. It seems to me that it is
the caller's responsibility to provide a valid resource owner, not the
job of the called code to ignore the resource owner when it's
unusable. I suspect that there are many other parts of the system that
rely on the ResourceOwner machinery which likewise assume that the
ResourceOwner that they are passed is valid.
--
Robert Haas
EDB: http://www.enterprisedb.com
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