From: Miroslav Silovic <miro@puremagic.com>
Cc: Marius Vollmer <mvo@zagadka.ping.de>, guile-devel@gnu.org
Subject: Re: gen gc
Date: Thu, 18 Jul 2002 14:08:28 +0200 [thread overview]
Message-ID: <3D36AFBC.1000206@puremagic.com> (raw)
In-Reply-To: 15669.63974.973133.308661@blauw.xs4all.nl
Han-Wen wrote:
>mvo@zagadka.ping.de writes:
>
>
>>Han-Wen <hanwen@cs.uu.nl> writes:
>>
>>
>>
>>>How is this supposed to portable to GenGC?
>>>
>>> SCM_DEFINE (scm_object_address, "object-address", 1, 0, 0,
>>> (SCM obj),
>>> "Return an integer that for the lifetime of @var{obj} is uniquely\n"
>>> "returned by this function for @var{obj}")
>>>
>>>This is used in some of the goops code -- should I retain it?
>>>
>>>
>>It would be cool if you could fake it. It doesn't need to be the real
>>memory address of the object, just a unique integer.
>>
>>
>
>?
>
>What if I can't? Memory cells are going to move around. I don't see a
>way to generate a unique number without making some kind of table for
>objects subjected to object-address.
>
>
Actually it only says it should be unique, not never-changing. In
particular,
all it needs for eq? to grok it is uniqueness. I guess just returning
the address
ought to work, no?
Miro
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next prev parent reply other threads:[~2002-07-18 12:08 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-17 21:59 gen gc Han-Wen
2002-07-17 22:54 ` Marius Vollmer
2002-07-17 23:12 ` Han-Wen
2002-07-18 12:08 ` Miroslav Silovic [this message]
2002-07-18 12:08 ` Han-Wen Nienhuys
2002-07-19 3:59 ` Rob Browning
2002-07-19 9:39 ` Han-Wen
2002-07-19 15:40 ` Rob Browning
2002-07-19 19:07 ` Tom Lord
2002-07-19 21:07 ` Han-Wen Nienhuys
2002-07-19 21:32 ` Rob Browning
2002-07-19 22:33 ` Han-Wen
2002-07-19 23:31 ` Rob Browning
2002-07-19 22:58 ` Marius Vollmer
2002-07-18 16:00 ` Dirk Herrmann
2002-07-18 16:21 ` Han-Wen Nienhuys
2002-07-19 22:55 ` Marius Vollmer
2002-07-20 8:06 ` Neil Jerram
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