From: Neil Jerram <neil@ossau.uklinux.net>
Subject: Re: [PATCH] Marking weak alist vectors, epilogue
Date: Tue, 10 Jan 2006 09:33:03 +0000 [thread overview]
Message-ID: <87ace4h1gw.fsf@ossau.uklinux.net> (raw)
In-Reply-To: <87bqyksdb6.fsf@laas.fr> ( Ludovic Courtès's message of "Tue, 10 Jan 2006 09:21:49 +0100")
ludovic.courtes@laas.fr (Ludovic Courtès) writes:
> Neil Jerram <neil@ossau.uklinux.net> writes:
>
>> ludovic.courtes@laas.fr (Ludovic Courtès) writes:
>>
>>> + scm_properties_whash = scm_permanent_object (scm_properties_whash);
>>
>> What is the symptom of the fact that we are currently missing this
>> line?
>
> You mean: does it actually yield a fault at run-time? Well, it doesn't
> /seem/ to (i.e., I haven't identified any reproducible "bug" caused by
> this), but I think it /could/. ;-)
>
> All other such global variables are, understandably, explicitly made
> non-collectable. For instance, in `srcprop.c', SCM_SOURCE_WHASH is
> non-collectable because it is bound to a top-level binding. In
> `symbols.c', the SYMBOLS weak hash table is made permanent via a call to
> `scm_permanent_object ()'.
I just looked into this. scm_properties_whash is actually OK, because
it is defined like this in root.h:
#define scm_properties_whash scm_sys_protects[10]
and the elements of scm_sys_protects are handled specially in
gc-mark.c.
Regards,
Neil
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next prev parent reply other threads:[~2006-01-10 9:33 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-08 17:22 [PATCH] Marking weak alist vectors Ludovic Courtès
2005-11-08 23:51 ` Marius Vollmer
2005-11-09 9:03 ` Ludovic Courtès
2005-12-06 23:55 ` Marius Vollmer
2005-12-07 10:33 ` Ludovic Courtès
2005-12-13 23:45 ` Marius Vollmer
2005-12-14 9:30 ` Ludovic Courtès
2005-11-09 10:28 ` Han-Wen Nienhuys
2005-11-09 16:28 ` Ludovic Courtès
2005-11-09 18:36 ` Han-Wen Nienhuys
2005-11-09 21:11 ` Kevin Ryde
2005-11-09 22:45 ` Marius Vollmer
2005-11-10 12:11 ` Han-Wen Nienhuys
2005-11-10 9:47 ` [PATCH] Reference leak in `iprin1 ()' Ludovic Courtès
2005-11-12 9:23 ` Neil Jerram
2005-11-14 9:58 ` Ludovic Courtès
2005-11-16 21:18 ` Neil Jerram
2005-11-17 9:54 ` Ludovic Courtès
2005-11-17 18:52 ` Neil Jerram
2005-11-23 10:19 ` [PATCH] Marking weak alist vectors, #2 Ludovic Courtès
2005-11-24 0:59 ` Han-Wen Nienhuys
2005-11-24 9:01 ` Ludovic Courtès
2005-11-26 0:49 ` Kevin Ryde
2006-01-09 14:51 ` [PATCH] Marking weak alist vectors, epilogue Ludovic Courtès
2006-01-09 19:29 ` Neil Jerram
2006-01-10 8:21 ` Ludovic Courtès
2006-01-10 9:33 ` Neil Jerram [this message]
2006-01-10 15:43 ` Ludovic Courtès
2005-11-17 13:21 ` [PATCH] Fixing `gc-live-object-stats' Ludovic Courtès
2005-11-17 14:12 ` Han-Wen Nienhuys
2005-11-30 8:54 ` Ludovic Courtès
2005-11-30 23:45 ` Han-Wen Nienhuys
2005-12-03 19:31 ` Neil Jerram
2005-12-05 8:50 ` Ludovic Courtès
2005-12-06 19:14 ` Neil Jerram
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