Re: ABCL Threads

Thanks Dave, but I am on a different quest 🥹

Having said that, what is the interaction between threads (read: the
function running in a thread) and special variables?  It appears that they
become thread local, is that so?  The documentation is very sparse.

Thanks

MA

On Wed, Aug 5, 2026 at 7:13 PM David Cooper <[email protected]>
wrote:

>
> Hi Marco,
>
> I don't have experience specifically with threads on abcl yet, but
> regarding abcl in general, I took on maintenance of the
> gitlab.common-lisp.net/cl-docker-images/
> <http://gitlab.common-lisp.net/cl-docker-images/abcl/> container image
> builds and recently got the abcl/ pipelines running green.  So any feedback
> on those built docker container images (from Marco or anyone on this list)
> would be welcomed.
>
> Also I just joined #abcl on libera.chat myself, I'm not sure your handle
> on there to know whether you're one of the ~8 apparent members in that
> channel. Anyway, that is a place where you and I (and anyone else
> interestedd) could brainstorm any ideas or share any quirks regarding those
> abcl docker images, maybe before they need to get promoted to Issues or MRs
> in the project.
>
> Of course we can also discuss threads in there. I would hope bt2 would
> have most needs covered - diving into Java internals sounds scary, to me at
> least.
>
>
> Thanks,
>
> Dave Cooper
>
>
>
>
>
> From: Marco Antoniotti <[email protected]>
> To: "Rudi Schlatte"<[email protected]>
> Cc: <[email protected]>
> Date: Wed, 05 Aug 2026 05:20:06 -0400
> Subject: Re: ABCL Threads
>
> Thanks
>
> Yep, I gathered that much.  I also saw a note in the documentation saying
> that you can use JSS to use java.util.concurrent.  Can you point me to some
> examples for that?
>
> Thanks
>
> Marco
>
> On Wed, Aug 5, 2026 at 11:44 AM Rudi Schlatte <[email protected]> wrote:
>
>
>
> --
> Marco Antoniotti, Professor, Director         tel. +39 - 02 64 48 79 01
> DISCo, University of Milan-Bicocca U14 2043   http://dcb.disco.unimib.it
> Viale Sarca 336
> I-20126 Milan (MI) ITALY
>
> REGAINS: https://regains.disco.unimib.it/
>
>
>
> > On 5 Aug 2026, at 09:57, Marco Antoniotti <[email protected]>
> wrote:
> >
> > Hi
> >
> > It has been too long since I dabbled in Java, but I am working on some
> threading code for ABCL.
> >
> > What would be a good implementation for BARRIERs in ABCL?
>
> Hi, if I don’t misunderstand the question, a barrier can be implemented
> using the Java class java.util.concurrent.CountDownLatch.
>
> (I’m not on irc these days except dropping in for a few minutes every
> other month..)
>
> Best,
>
> Rudi
>
>
>
>

-- 
Marco Antoniotti