From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Larry Rosenman <ler@lerctr.org>
Cc: Lee Kindness <lkindness@csl.co.uk>
Cc: Philip Yarra <philip@utiba.com>
Cc: pgsql-interfaces@postgresql.org, pgsql-hackers@postgresql.org, Michael Meskes <meskes@postgresql.org>
Subject: Re: ECPG thread-safety
Date: Fri, 28 Mar 2003 11:00:47 -0500 (EST)
Message-ID: <200303281600.h2SG0lP05298@candle.pha.pa.us> (raw)
In-Reply-To: <63340000.1048867152@lerlaptop.iadfw.net>
Would someone take those patches and hunt around for proper 'configure'
tests? I can do the configure coding, but I don't know what tests to
make.
http://services.csl.co.uk/postgresql/
---------------------------------------------------------------------------
Larry Rosenman wrote:
>
>
> --On Friday, March 28, 2003 10:54:23 -0500 Bruce Momjian
> <pgman@candle.pha.pa.us> wrote:
>
> >
> > I have the libpq patch in my mailbox that just needs configure thread
> > testing code. I will get that in for 7.4.
> I can help with the UnixWare threads stuff. Also, Micheal Meskes now has
> an account
> on my UnixWare box.
>
> The threads are native on UW, but you need to invoke the cc -Kpthread
> option.
>
> LER
>
> >
> > -------------------------------------------------------------------------
> > --
> >
> > 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
> > pgman@candle.pha.pa.us | (610) 359-1001
> > + If your life is a hard drive, | 13 Roberts Road
> > + Christ can be your backup. | Newtown Square, Pennsylvania
> > 19073
> >
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 6: Have you searched our list archives?
> >
> > http://archives.postgresql.org
> >
>
>
>
> --
> Larry Rosenman http://www.lerctr.org/~ler
> Phone: +1 972-414-9812 E-Mail: ler@lerctr.org
> US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749
>
>
>
>
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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To: pgsql-interfaces@postgresql.org
Cc: pgman@candle.pha.pa.us, ler@lerctr.org, lkindness@csl.co.uk, philip@utiba.com, meskes@postgresql.org
Subject: Re: ECPG thread-safety
In-Reply-To: <200303281600.h2SG0lP05298@candle.pha.pa.us>
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