GNU bug report logs - #63620
30.0.50; [Feature Request] run hooks on sleep/wake

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Message #220 received at 63620 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Ship Mints <shipmints <at> gmail.com>
Cc: acohen <at> ust.hk, 63620 <at> debbugs.gnu.org, michael.albinus <at> gmx.de,
 monnier <at> iro.umontreal.ca
Subject: Re: bug#63620: 30.0.50; [Feature Request] run hooks on sleep/wake
Date: Fri, 07 Feb 2025 14:55:01 +0200

> From: Ship Mints <shipmints <at> gmail.com>
> Date: Fri, 7 Feb 2025 07:32:48 -0500
> Cc: Andrew Cohen <acohen <at> ust.hk>, 63620 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca, 
> 	michael.albinus <at> gmx.de
> 
> On Fri, Feb 7, 2025 at 7:18 AM Eli Zaretskii <eliz <at> gnu.org> wrote:
> 
>  > Date: Fri, 7 Feb 2025 19:43:32 +0800 (GMT+08:00)
>  > From: Andrew Cohen <acohen <at> ust.hk>
>  > Cc: 63620 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>,
>  >       Eli Zaretskii <eliz <at> gnu.org>, michael.albinus <at> gmx.de
>  > 
>  > Can I get any feedback about the file descriptor closure issue? From what 
>  > I can tell without exposing it in lisp the way I did I won't be able to 
>  > use blocking anyway.
> 
>  But since there could be only one such descriptor at any given time,
>  why would any Lisp program need to know its value?  It sounds like we
>  need to record the descriptor internally, and then close it in C, no?
>  Maybe some D-Bus related primitive could do that?
> 
> This is why I suggested that the lower-level C code return opaque cookies that can be used to send back to
> lower-level code to operate on them, such as closing an fd.

I'm asking why return such cookies to Lisp at all.

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