From: Spencer Baugh <sbaugh@janestreet.com>
To: emacs-devel@gnu.org
Subject: Re: call-process should not block process filters from running
Date: Wed, 28 Jun 2023 08:08:47 -0400 [thread overview]
Message-ID: <ier1qhvzt4g.fsf@janestreet.com> (raw)
In-Reply-To: 87zg4j6bs4.fsf@yahoo.com
Po Lu <luangruo@yahoo.com> writes:
> Spencer Baugh <sbaugh@janestreet.com> writes:
>
>> When Lisp code calls call-process, then while call-process is running,
>> all Lisp is blocked from running, including process filters and timers
>> created beforehand by other Lisp. This call-process behavior is
>> harmful, but we can fix call-process to not behave this way.
>>
>> This call-process behavior is harmful:
>> Many packages rely on their process filters and timers being able to
>> run:
>> - Packages which communicate over the network (such as ERC)
>> rely on being able to respond to heartbeats and prevent timeouts.
>> - Packages which respond to requests from other programs (such as EXWM)
>> rely on being able to respond to those requests.
>> A simple (shell-command "sleep 60") will cause most such packages to
>> break or behave poorly.
>
> Have you considered that many programs may conversely rely on the fact
> that call-process can not run Lisp through selection converters or
> process filters?
Yes. Those programs can continue to use call-process. Others which
don't rely on this fact can be moved to a different interface which can
run Lisp, to avoid this downside.
next prev parent reply other threads:[~2023-06-28 12:08 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-27 21:55 call-process should not block process filters from running Spencer Baugh
2023-06-28 11:39 ` Mattias Engdegård
2023-06-28 11:56 ` Po Lu
2023-06-28 12:08 ` Spencer Baugh [this message]
2023-06-28 13:17 ` Po Lu
2023-06-28 12:52 ` Eli Zaretskii
2023-06-28 13:27 ` Spencer Baugh
2023-06-28 13:34 ` Eli Zaretskii
2023-07-01 18:24 ` Spencer Baugh
2023-07-01 18:59 ` Eli Zaretskii
2023-07-01 19:17 ` Spencer Baugh
2023-07-02 5:45 ` Eli Zaretskii
2023-07-03 0:02 ` sbaugh
2023-07-03 10:00 ` Po Lu
2023-07-03 17:53 ` sbaugh
2023-07-03 18:51 ` Eli Zaretskii
2023-07-03 20:28 ` sbaugh
2023-07-04 4:12 ` Po Lu
2023-07-04 11:25 ` Eli Zaretskii
2023-07-04 12:42 ` sbaugh
2023-07-04 13:42 ` Michael Albinus
2023-07-04 14:16 ` sbaugh
2023-07-05 6:36 ` Michael Albinus
2023-07-04 11:10 ` Eli Zaretskii
2023-07-04 12:20 ` sbaugh
2023-07-04 13:09 ` Eli Zaretskii
2023-07-04 13:37 ` sbaugh
2023-07-04 13:25 ` Po Lu
2023-07-04 1:04 ` sbaugh
2023-07-04 4:09 ` Po Lu
2023-07-04 12:27 ` sbaugh
2023-07-04 13:22 ` Po Lu
2023-07-04 13:51 ` sbaugh
2023-07-04 16:38 ` Eli Zaretskii
2023-07-04 16:53 ` sbaugh
2023-07-04 17:14 ` Eli Zaretskii
2023-07-04 16:49 ` Dmitry Gutov
2023-07-04 18:12 ` sbaugh
2023-07-05 18:53 ` Dmitry Gutov
2023-07-06 2:24 ` sbaugh
2023-07-06 8:06 ` Michael Albinus
2023-07-08 15:54 ` sbaugh
2023-07-09 9:04 ` Michael Albinus
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=ier1qhvzt4g.fsf@janestreet.com \
--to=sbaugh@janestreet.com \
--cc=emacs-devel@gnu.org \
/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).