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From: Maxime Devos <maximedevos@telenet.be>
To: Christopher Lemmer Webber <cwebber@dustycloud.org>, guile-devel@gnu.org
Cc: Andy Wingo <wingo@pobox.com>
Subject: Re: Ephemerons, self-referentality in weak hashtables
Date: Mon, 21 Jun 2021 19:15:10 +0200	[thread overview]
Message-ID: <8b9906861b138901e0ed17f640506d70a686ec51.camel@telenet.be> (raw)
In-Reply-To: <4ddb8c54cdbdcaf1644ce07bb5cad261ebb86600.camel@telenet.be>

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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.

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  reply	other threads:[~2021-06-21 17:15 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 [this message]
2021-09-08 16:18       ` Christine Lemmer-Webber
2021-09-08 20:11         ` Maxime Devos
2021-09-08 20:50           ` Christine Lemmer-Webber

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