From: Herbert Euler <herberteuler@hotmail.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: RE: Is there any possible memory leak in GC?
Date: Fri, 14 Dec 2007 07:48:54 +0800 [thread overview]
Message-ID: <BAY143-W76F6A76591B6231C0B652DA660@phx.gbl> (raw)
In-Reply-To: <jwv7ijieemi.fsf-monnier+emacs@gnu.org>
>> 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.
Ah, I have found the gap between my understanding and the
fact. Thank you! :D
Regards,
Guanpeng Xu
_________________________________________________________________
Express yourself instantly with MSN Messenger! Download today it's FREE!
http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/
prev parent reply other threads:[~2007-12-13 23:48 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
2007-12-13 23:48 ` Herbert Euler [this message]
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/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=BAY143-W76F6A76591B6231C0B652DA660@phx.gbl \
--to=herberteuler@hotmail.com \
--cc=emacs-devel@gnu.org \
--cc=monnier@iro.umontreal.ca \
/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.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
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).