From: | Magnus Hagander <magnus(at)hagander(dot)net> |
---|---|
To: | Bruce Momjian <bruce(at)momjian(dot)us> |
Cc: | PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org> |
Subject: | Re: libpq thread-locking |
Date: | 2008-05-16 18:31:03 |
Message-ID: | 20080516203103.5c9b9c40@mha-laptop.hagander.net |
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Lists: | pgsql-patches |
Bruce Momjian wrote:
> Magnus Hagander wrote:
> > Bruce Momjian wrote:
> > > Bruce Momjian wrote:
> > > > Magnus Hagander wrote:
> > > > > Attached patch adds some error checking to the thread locking
> > > > > stuff in libpq. Previously, if thread locking failed for some
> > > > > reason, we would just fall through and do things without
> > > > > locking. This patch makes us abort() instead. It's not the
> > > > > greatest thing probably, but our API doesn't let us pass back
> > > > > return values...
> > > >
> > > > I have looked over the patch and it seems fine, though I am
> > > > concerned about the abort() case with no output. I realize
> > > > stderr might be going nowhere, but in fe-print.c we do an
> > > > fprintf(stderr) for memory failures so for consistency I think
> > > > we should do the same here. If there is concern about code
> > > > bloat, I suggest a macro at the top of the file for thread
> > > > failure exits:
> > > >
> > > > #define THEAD_FAILURE(str) \
> > > > do { \
> > > > fprintf(stderr, libpq_gettext("Thread failure:
> > > > %s\n")); \ exit(1); \
> > > > } while(0)
> > >
> > > Oh, this is Tom saying he doesn't like stderr and the added code
> > > lines for failure:
> > >
> > > http://archives.postgresql.org/pgsql-patches/2008-04/msg00254.php
> > >
> > > I think the macro and consistency suggest doing as I outlined.
> >
> > Does this one look like what you're suggesting?
>
> Yep.
Ok, applied.
//Magnus
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