unofficial mirror of guile-devel@gnu.org 
 help / color / mirror / Atom feed
From: Neil Jerram <neil@ossau.uklinux.net>
Cc: guile-devel@gnu.org
Subject: Re: scheme closures: crash during garbage collection
Date: Mon, 12 Jun 2006 23:34:42 +0100	[thread overview]
Message-ID: <87odwyt33x.fsf@ossau.uklinux.net> (raw)
In-Reply-To: <87mzclmjq8.fsf@zagadka.de> (Marius Vollmer's message of "Sat, 10 Jun 2006 12:40:47 +0300")

Marius Vollmer <mvo@zagadka.de> writes:

> hanwen@byrd.xs4all.nl (Han-Wen Nienhuys) writes:
>
>> No, MV thinks it's a bad idea, and I agree with him.
>>
>> See
>>  
>>   http://thread.gmane.org/gmane.lisp.guile.devel/4117/focus=4160
>
> Yep, and let me elaborate a bit:
>
> The pair scm_gc_protect_object / scm_gc_unprotect_object can be seen
> as being Guile's way to implement reference counting for its objects,
> maybe analogous to g_object_ref and g_object_unref for glib's
> GObjects.  This is true, of course: you can use it to implement
> reference counting.  However, it is not a good idea, as Guile offers a
> better alternative with its mostly-precise mark/sweep garbage
> collector.

So what do you propose, then, for the scenario that Gregory described?

> Guile wants you to integrate your objects with its mark/sweep
> approach, by providing appropriate smob marking functions, for
> example.

If I've understood correctly, this isn't possible in Gregory's
scenario.

(See
http://lists.gnu.org/archive/html/guile-gtk-general/2006-06/msg00013.html
if you didn't see the whole description on guile-gtk-general already.)

Regards,
     Neil



_______________________________________________
Guile-devel mailing list
Guile-devel@gnu.org
http://lists.gnu.org/mailman/listinfo/guile-devel


  reply	other threads:[~2006-06-12 22:34 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <64e2f6fe0606081528m4e5f9979yff9b8294ecedf6d2@mail.gmail.com>
2006-06-09 19:54 ` scheme closures: crash during garbage collection Neil Jerram
2006-06-09 21:54   ` Han-Wen Nienhuys
2006-06-10  9:40     ` Marius Vollmer
2006-06-12 22:34       ` Neil Jerram [this message]
2006-06-12 23:33         ` Han-Wen Nienhuys
2006-06-12 23:45           ` Neil Jerram
2006-07-08 15:06         ` Marius Vollmer
2006-07-12 21:48           ` Neil Jerram
2006-10-27  9:49           ` Andy Wingo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/guile/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87odwyt33x.fsf@ossau.uklinux.net \
    --to=neil@ossau.uklinux.net \
    --cc=guile-devel@gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).