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From: ludo@gnu.org (Ludovic Courtès)
To: Andy Wingo <wingo@pobox.com>
Cc: "guile-devel@gnu.org" <guile-devel@gnu.org>
Subject: Re: allocation within critical sections
Date: Sun, 19 Feb 2012 21:56:06 +0100	[thread overview]
Message-ID: <8739a6y23d.fsf@gnu.org> (raw)
In-Reply-To: <87ty2n17mu.fsf@pobox.com> (Andy Wingo's message of "Sun, 19 Feb 2012 10:42:49 +0100")

Hi,

Andy Wingo <wingo@pobox.com> skribis:

> On Fri 17 Feb 2012 23:59, ludo@gnu.org (Ludovic Courtès) writes:

[...]

>> What about using asyncs for that?  For instance, scm_i_finalize_smob
>> make a [deferred], instead of direct, call to the SMOB’s ‘free’, via
>> scm_i_queue_async_cell.
>
> It's an interesting idea.  I suspect that it only defers the problem,
> though: if we start running finalizers through asyncs, we'll run into
> problems with locks at the scheme level.
>
> That is to say, just because you are in Scheme does not mean you can
> acquire any lock without deadlock.

Sure, but the libguile-level lock issue would go away, wouldn’t it?

Ludo’.



  reply	other threads:[~2012-02-19 20:56 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-09 19:15 allocation within critical sections Andy Wingo
2012-02-13 10:38 ` Andy Wingo
2012-02-13 15:29   ` Andy Wingo
2012-02-16 21:30 ` Ludovic Courtès
2012-02-16 22:27   ` Andy Wingo
2012-02-17  2:46     ` Mike Gran
2012-02-17  8:16       ` Andy Wingo
2012-02-17 10:32         ` Mike Gran
2012-02-17 15:20           ` Andy Wingo
2012-02-17 22:59             ` Ludovic Courtès
2012-02-19  9:42               ` Andy Wingo
2012-02-19 20:56                 ` Ludovic Courtès [this message]
2012-02-19 21:29                   ` Andy Wingo
2012-02-24 15:04               ` Andy Wingo

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