From: | Gregory Stark <stark(at)enterprisedb(dot)com> |
---|---|
To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | "Bruce Momjian" <bruce(at)momjian(dot)us>, "Alvaro Herrera" <alvherre(at)commandprompt(dot)com>, <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: pg_terminate_backend() issues |
Date: | 2008-04-16 15:13:39 |
Message-ID: | 87bq49x270.fsf@oxford.xeocode.com |
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Lists: | pgsql-committers pgsql-hackers |
"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
> Gregory Stark <stark(at)enterprisedb(dot)com> writes:
>> "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>>> No, we wouldn't, because a SIGTERM can only actually fire at a
>>> CHECK_FOR_INTERRUPTS() call. You'd just need to be sure there wasn't
>>> one in the cleanup code.
>
>> Wait, huh? In that case I don't see what advantage any of this has over
>> Bruce's patch. And his approach seemed a lot more robust.
>
> Maybe I missed something, but I thought he was just proposing some
> macro syntactic sugar over the same code that I described.
No, I meant the earlier patch which you rejected with the flag in MyProc. I
realize there were other issues but the initial concern was that it wouldn't
respond promptly because it would wait for CHECK_FOR_INTERRUPTS. But if
sigterm was never handled except at a CHECK_FOR_INTERRUPTS then that was never
a factor.
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
Ask me about EnterpriseDB's Slony Replication support!
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