From: Nala Ginrut <nalaginrut@gmail.com>
To: Maxime Devos <maximedevos@telenet.be>
Cc: "mikael@djurfeldt.com" <mikael@djurfeldt.com>,
guile-devel <guile-devel@gnu.org>
Subject: Re: [PATCH] At-exit hook
Date: Thu, 7 Nov 2024 21:08:16 +0900 [thread overview]
Message-ID: <CAPjoZof8auFPsQzRtzPe7u6K3+DD=Px1FE9of4c8_FiavZTeeA@mail.gmail.com> (raw)
In-Reply-To: <20241107122308.ZnP72D00T42S6aw01nP8co@laurent.telenet-ops.be>
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How about using sigprocmask to disable async signals temporarily?
On Thu, Nov 7, 2024 at 8:23 PM Maxime Devos <maximedevos@telenet.be> wrote:
> ‘atexit’ functions are run at ‘exit’. ‘exit’ can be run from signal
> handlers (*). Since the hook runs Scheme code, it could do a lot of
> AC-unsafe things, resulting in problems.
>
>
>
> (*) glibc documentation says ‘exit’ is AC-unsafe, but this is unsupported
> by POSIX AFAICT. OTOH the same applies to even ‘malloc’, so likely I’m
> looking in the wrong places.
>
>
>
> Best regards,
>
> Maxime Devos
>
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next prev parent reply other threads:[~2024-11-07 12:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-06 19:52 [PATCH] At-exit hook Mikael Djurfeldt
2024-11-07 11:23 ` Maxime Devos
2024-11-07 12:08 ` Nala Ginrut [this message]
2024-11-07 12:09 ` Mailer
2024-11-07 12:27 ` Mailer
2024-11-07 13:28 ` Mikael Djurfeldt
2024-11-07 16:10 ` Maxime Devos
2024-11-07 19:51 ` Mailer
2024-11-07 22:18 ` Maxime Devos
2024-11-08 9:09 ` Mikael Djurfeldt
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