From: Richard Stallman <rms@gnu.org>
To: David Kastrup <dak@gnu.org>
Cc: dmantipov@yandex.ru, emacs-devel@gnu.org
Subject: Re: GC: marking traversal and pure symbols
Date: Sat, 07 Jul 2007 09:06:16 -0400 [thread overview]
Message-ID: <E1I79zM-0007N2-Fg@fencepost.gnu.org> (raw)
In-Reply-To: <86wsxej8vu.fsf@lola.quinscape.zz> (message from David Kastrup on Fri, 06 Jul 2007 09:20:37 +0200)
Would it not make sense to restrict the purity notion to the value
cell of a symbol?
On some platforms, pure storage is (or at least was) stored in
read-only memory. If nil is in read-only memory, we cannot make
its plist cell writable.
next prev parent reply other threads:[~2007-07-07 13:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-05 13:10 GC: marking traversal and pure symbols Dmitry Antipov
2007-07-06 4:38 ` Richard Stallman
2007-07-06 7:20 ` David Kastrup
2007-07-06 9:29 ` Andreas Schwab
2007-07-07 13:06 ` Richard Stallman [this message]
2007-07-06 12:02 ` Ken Raeburn
2007-07-06 12:33 ` Andreas Schwab
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