From: "Gerd Möllmann" <gerd.moellmann@gmail.com>
To: "Mattias Engdegård" <mattiase@acm.org>
Cc: Tom Gillespie <tgbugs@gmail.com>,
56623@debbugs.gnu.org, greghendershott@gmail.com
Subject: bug#56623: memory leak introduced by new nonrecursive lisp reader
Date: Mon, 29 Aug 2022 11:38:06 +0200 [thread overview]
Message-ID: <m2fshf2xvl.fsf@Mini.fritz.box> (raw)
In-Reply-To: <m21qszjv5t.fsf@Mini.fritz.box> ("Gerd Möllmann"'s message of "Mon, 29 Aug 2022 10:44:46 +0200")
Gerd Möllmann <gerd.moellmann@gmail.com> writes:
> Mattias Engdegård <mattiase@acm.org> writes:
>
>> If either makes things better, maybe we can come up with a solution
>> that doesn't hurt performance.
>
> This might be completely off, but anyway:
>
> lread.c uses free_cons. Is it certain that the cons cell is never
> marked at that point? Not that I see it happening, or could explain how
> exactly GC would run while that code executes. Maybe it's worth adding
> a check in free_cons?
One candidate: A hash table with user-defined :test. Invoking the
user-defined functions can GC.
prev parent reply other threads:[~2022-08-29 9:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-17 22:03 bug#56623: memory leak introduced by new nonrecursive lisp reader Tom Gillespie
2022-07-18 11:21 ` Mattias Engdegård
2022-07-27 9:20 ` Mattias Engdegård
2022-08-27 15:35 ` Lars Ingebrigtsen
2022-08-28 17:29 ` Greg Hendershott
2022-08-28 21:06 ` Tom Gillespie
2022-08-29 12:59 ` Greg Hendershott
2022-08-29 15:20 ` Mattias Engdegård
2022-08-29 15:52 ` Mattias Engdegård
2022-08-29 8:44 ` Gerd Möllmann
2022-08-29 9:38 ` Gerd Möllmann [this message]
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