Re: ECPG thread-safety

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Lee Kindness <lkindness(at)csl(dot)co(dot)uk>
Cc: Philip Yarra <philip(at)utiba(dot)com>, pgsql-interfaces(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org, Michael Meskes <meskes(at)postgresql(dot)org>
Subject: Re: ECPG thread-safety
Date: 2003-03-28 15:54:23
Message-ID: 200303281554.h2SFsNd04438@candle.pha.pa.us
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I have the libpq patch in my mailbox that just needs configure thread
testing code. I will get that in for 7.4.

---------------------------------------------------------------------------

Lee Kindness wrote:
> Philip,
>
> You can find the "patch so far" at:
>
> http://services.csl.co.uk/postgresql/
>
> along with a libpq thread-safe patch.
>
> The thread referenced by Bruce's email details some of the issues
> still to be looked at. The main work is integration with the build
> system (testing for and linking in POSIX threads) and testing.
>
> I'm more than happy for you to look at at, I haven't had the time I
> hoped to complete this.
>
> Thanks, Lee.
>
> Philip Yarra writes:
> > As I found out recently, ECPG is not thread-safe. This is a problem for us, as
> > we really need to be able to use ECPG* in a multi-threaded C application.
> > Michael mentioned that Lee is working on fixing these problems, but was not
> > sure when it would be complete.
> >
> > So, my questions are:
> > Lee/anyone, do you have an estimated completion date?
> > If not, can we (myself plus a "real" C programmer) help you?
> >
> > Regards, Philip Yarra.
> >
> > * Yes, we could use libpq, but ECPG minimises our porting from Informix.
> > Rewriting everything to use libpq would be too expensive.
> >
>

--
Bruce Momjian | http://candle.pha.pa.us
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