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From: Christine Lemmer-Webber <cwebber@dustycloud.org>
To: Maxime Devos <maximedevos@telenet.be>
Cc: Andy Wingo <wingo@pobox.com>, guile-devel@gnu.org
Subject: Re: Ephemerons, self-referentality in weak hashtables
Date: Wed, 08 Sep 2021 12:18:15 -0400	[thread overview]
Message-ID: <87fsuf9h1f.fsf@dustycloud.org> (raw)
In-Reply-To: <8b9906861b138901e0ed17f640506d70a686ec51.camel@telenet.be>

Maxime Devos <maximedevos@telenet.be> writes:

> [[PGP Signed Part:Undecided]]
> Maxime Devos schreef op zo 20-06-2021 om 17:01 [+0200]:
>> Christopher Lemmer Webber schreef op di 18-05-2021 om 11:46 [-0400]:
>> > Hello,
>> > 
>> > I'm finally taking some time to port Goblins to Guile, in-between other
>> > tasks anyway.  In Goblins there is a weak hashtable that maps current
>> > actor references to their current behavior.  I found that for
>> > self-referential actors, I needed ephemerons for GC stuff to work right.
>> 
>> [bla bla on how this could be implemented in Guile]
>
> This doesn't work because there is nothing preventing the
> 'value' from being freed. Trying to fix that now, using
> the example implementation of "weak maps" in libgc.
>
> Greetings,
> Maxime.

I fell off the radar on replying to this, but did path turn out to work?

Thank you for researching and developing a solution to this!





  reply	other threads:[~2021-09-08 16:18 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-04 10:10 Mark procedures Andy Wingo
2015-11-04 12:01 ` Stefan Israelsson Tampe
2015-11-04 17:01 ` Mark procedures, LilyPond, and backward compatibility Mark H Weaver
2015-11-05 10:16   ` Foreign object API Ludovic Courtès
2016-02-01 22:50     ` Foreign objects removed from ‘stable-2.0’ Ludovic Courtès
2015-11-05 14:46   ` Mark procedures, LilyPond, and backward compatibility Andy Wingo
2015-11-05 10:29 ` Mark procedures Ludovic Courtès
2015-11-05 13:11   ` Andy Wingo
2015-11-05 14:17     ` Ludovic Courtès
2015-11-06 12:32     ` Mark procedures and LilyPond Mark H Weaver
2015-11-06 13:50       ` Ludovic Courtès
2015-11-06 15:05       ` Stefan Monnier
2016-01-24  8:58       ` Hans Åberg
2016-06-20 10:34     ` Mark procedures Andy Wingo
2016-06-20 12:15       ` Ludovic Courtès
2021-05-18 15:46 ` Ephemerons, self-referentality in weak hashtables Christopher Lemmer Webber
2021-06-20 15:01   ` Maxime Devos
2021-06-21 17:15     ` Maxime Devos
2021-09-08 16:18       ` Christine Lemmer-Webber [this message]
2021-09-08 20:11         ` Maxime Devos
2021-09-08 20:50           ` Christine Lemmer-Webber

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