From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Herbert Euler <herberteuler@hotmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: Is there any possible memory leak in GC?
Date: Thu, 13 Dec 2007 11:36:47 -0500 [thread overview]
Message-ID: <jwv7ijieemi.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <BAY143-W11E2F4E0FB7FD56BF53ACADA660@phx.gbl> (Herbert Euler's message of "Thu, 13 Dec 2007 23:21:08 +0800")
> After watching the use of `cons_free_list', I am confused about it.
> `cons_free_list' holds the unmarked cons cells during GC sweeping.
> When `cons' creates new cons cells, it picks any ones in
> `cons_free_list' if possible. But each time when sweeping happens,
> `cons_free_list' is reset to 0, and its previous value is lost. Since
> GC can run at any time with `garbage-collect', will this lead to
> memory leak or not?
No, it should not lead to any leak because it will find all the cells
that were still on the cons_free_list and add them back, while sweeping
the cons blocks.
Stefan
next prev parent reply other threads:[~2007-12-13 16:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-13 15:21 Is there any possible memory leak in GC? Herbert Euler
2007-12-13 16:36 ` Stefan Monnier [this message]
2007-12-13 23:48 ` Herbert Euler
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