| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Mathias Hasselmann <mathias(at)openismus(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org, Murray Cumming <murrayc(at)openismus(dot)com> |
| Subject: | Re: [PATCHES] Avahi support for Postgresql |
| Date: | 2008-02-25 20:08:29 |
| Message-ID: | 2073.1203970109@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
Mathias Hasselmann <mathias(at)openismus(dot)com> writes:
> Just to be sure we talk about the same topic: I assume the prohibition
> you talk about is something like "no use of threads in Postmaster"?
Correct.
> If that's the case: Are there some docs, mails, ... explaining the
> rationale behind this restriction? I could imagine your do not want
> random locking in the postmaster code?
Portability, irreproducible misbehavior, etc. Some trawling in the
pgsql-hackers archives should turn up previous discussions. For a
recent demonstration that wanting to avoid threads is not just idle
paranoia on our part, see
http://archives.postgresql.org/pgsql-patches/2007-09/msg00194.php
regards, tom lane
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