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Re: [plpython] Add missing volatile qualifier.

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Nathan Bossart <nathandbossart@gmail.com>
Cc: Xing Guo <higuoxing@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2024-04-01T18:39:05Z
Lists: pgsql-hackers 
Nathan Bossart <nathandbossart@gmail.com> writes:
> On Mon, Apr 01, 2024 at 11:57:07AM -0400, Tom Lane wrote:
>> Good catch!  It looks like the consequences of a failure would be
>> pretty minimal --- AFAICS, no worse than a possible failure to remove
>> a refcount on Py_None --- but that's still a bug.

> Huh.  I seem to have dropped that "volatile" shortly before committing for
> some reason [0].

Oh, I'd forgotten that discussion.  Given that we were both confused
about the need for it, all the more reason to try to avoid using a
within-PG_TRY assignment.

> Your fix seems fine to me.

Thanks for looking, I'll push it shortly.

			regards, tom lane

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Avoid possible longjmp-induced logic error in PLy_trigger_build_args.