Re: Unixware Patch (Was: Re: Beta2 Tag'd and Bundled ...)

Ok, I don't know much about threads; would you write a simple program for
us to test?
On Wed, 3 Sep 2003, Bruce Momjian wrote:

> Date: Wed, 3 Sep 2003 13:58:53 -0400 (EDT)
> From: Bruce Momjian <pgman@candle.pha.pa.us>
> To: Olivier PRENANT <ohp@pyrenet.fr>
> Cc: pgsql-hackers@postgresql.org
> Subject: Re: [HACKERS] Unixware Patch (Was: Re: Beta2 Tag'd and Bundled
>     ...)
>
> Olivier PRENANT wrote:
> > >> It's ok to assume thread-safety, as the SCO developer (Kean Johnston)
> > >> asked the threads guys, and he said that the libc stuff is
> > >> thread-safe so they don't have to have 2 different versions in libc.
> > >>
> > >> LER
> > >>
> > >>
> > >>
> > >
> > If any one can write a program that can prove anything (I can't), I'm
> > willing to test it here on a bi-pro (bi PIII and bi-XEON with JT
> > enabled) running uw713.
> > Maybe it will end the discussion and make a point in either way. So that
> > we (you?) can move on with the other unixware patches.
>
> You don't need a SMP machine to test threads.  You just need one thread
> to do the function call, then another to do the function call and see if
> the two pointers are different.  They calls don't have to happen at the
> same time.  Ideally you could make call in the two threads with
> different arguments, then after both calls are completed, test that the
> two static areas have the proper _different_ values.
>
>

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