From: Eli Zaretskii <eliz@gnu.org>
To: Ihor Radchenko <yantar92@posteo.net>
Cc: luangruo@yahoo.com, emacs-devel@gnu.org
Subject: Re: Concurrency via isolated process/thread
Date: Sat, 08 Jul 2023 17:45:43 +0300 [thread overview]
Message-ID: <837cracvhk.fsf@gnu.org> (raw)
In-Reply-To: <877craa9z7.fsf@localhost> (message from Ihor Radchenko on Sat, 08 Jul 2023 12:01:00 +0000)
> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: Po Lu <luangruo@yahoo.com>, emacs-devel@gnu.org
> Date: Sat, 08 Jul 2023 12:01:00 +0000
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> >> > That is already a problem, as long as we are talking about leaving
> >> > most of Emacs application code intact. How do you ensure only the
> >> > main thread can process input and display? A non-main thread can
> >> > easily call some function which prompts the user, e.g., with
> >> > yes-or-no-p, or force redisplay with sit-for, and what do you do when
> >> > that happens?
> >>
> >> To signal an error.
> >
> > Great! that means in practice no existing Lisp program could ever run
> > in a non-main thread. It isn't a very practical solution.
> >
> > Besides, non-main threads do sometimes legitimately need to prompt
> > the user. It is not a programmer's error when they do.
>
> As an alternative async threads can be temporarily changed to
> cooperative in such scenario.
That doesn't help, because, as I said, we don't have a good solution
for this dilemma even for the current Lisp threads.
> They will already have to wait synchronously when consing new objects
> anyway.
This issue about display and prompting the user is not the same as
interlocking. The latter can be solved by waiting, but the former
cannot.
next prev parent reply other threads:[~2023-07-08 14:45 UTC|newest]
Thread overview: 192+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-04 16:58 Concurrency via isolated process/thread Ihor Radchenko
2023-07-04 17:12 ` Eli Zaretskii
2023-07-04 17:29 ` Ihor Radchenko
2023-07-04 17:35 ` Eli Zaretskii
2023-07-04 17:52 ` Ihor Radchenko
2023-07-04 18:24 ` Eli Zaretskii
2023-07-05 11:23 ` Ihor Radchenko
2023-07-05 11:49 ` Eli Zaretskii
2023-07-05 12:40 ` Ihor Radchenko
2023-07-05 13:02 ` Lynn Winebarger
2023-07-05 13:10 ` Ihor Radchenko
2023-07-06 18:35 ` Lynn Winebarger
2023-07-07 11:48 ` Ihor Radchenko
2023-07-05 13:33 ` Eli Zaretskii
2023-07-05 13:35 ` Ihor Radchenko
2023-07-05 0:34 ` Po Lu
2023-07-05 11:26 ` Ihor Radchenko
2023-07-05 12:11 ` Po Lu
2023-07-05 12:44 ` Ihor Radchenko
2023-07-05 13:21 ` Po Lu
2023-07-05 13:26 ` Ihor Radchenko
2023-07-05 13:51 ` Eli Zaretskii
2023-07-05 14:00 ` Ihor Radchenko
2023-07-06 0:32 ` Po Lu
2023-07-06 10:46 ` Ihor Radchenko
2023-07-06 12:24 ` Po Lu
2023-07-06 12:31 ` Ihor Radchenko
2023-07-06 12:41 ` Po Lu
2023-07-06 12:51 ` Ihor Radchenko
2023-07-06 12:58 ` Po Lu
2023-07-06 13:13 ` Ihor Radchenko
2023-07-06 14:13 ` Eli Zaretskii
2023-07-06 14:47 ` Ihor Radchenko
2023-07-06 15:10 ` Eli Zaretskii
2023-07-06 16:17 ` Ihor Radchenko
2023-07-06 18:19 ` Eli Zaretskii
2023-07-07 12:04 ` Ihor Radchenko
2023-07-07 13:16 ` Eli Zaretskii
2023-07-07 14:29 ` Ihor Radchenko
2023-07-07 14:47 ` Eli Zaretskii
2023-07-07 15:21 ` Ihor Radchenko
2023-07-07 18:04 ` Eli Zaretskii
2023-07-07 18:24 ` Ihor Radchenko
2023-07-07 19:36 ` Eli Zaretskii
2023-07-07 20:05 ` Ihor Radchenko
2023-07-08 7:05 ` Eli Zaretskii
2023-07-08 10:53 ` Ihor Radchenko
2023-07-08 14:26 ` Eli Zaretskii
2023-07-09 9:36 ` Ihor Radchenko
2023-07-09 9:56 ` Po Lu
2023-07-09 10:04 ` Ihor Radchenko
2023-07-09 11:59 ` Eli Zaretskii
2023-07-09 13:58 ` Ihor Radchenko
2023-07-09 14:52 ` Eli Zaretskii
2023-07-09 15:49 ` Ihor Radchenko
2023-07-09 16:35 ` Eli Zaretskii
2023-07-10 11:30 ` Ihor Radchenko
2023-07-10 12:13 ` Po Lu
2023-07-10 12:28 ` Ihor Radchenko
2023-07-10 12:48 ` Po Lu
2023-07-10 12:53 ` Ihor Radchenko
2023-07-10 13:18 ` Po Lu
2023-07-10 13:09 ` Eli Zaretskii
2023-07-10 13:58 ` Ihor Radchenko
2023-07-10 14:37 ` Eli Zaretskii
2023-07-10 14:55 ` Ihor Radchenko
2023-07-10 16:03 ` Eli Zaretskii
2023-07-16 14:58 ` Ihor Radchenko
2023-07-17 7:55 ` Ihor Radchenko
2023-07-17 8:36 ` Po Lu
2023-07-17 8:52 ` Ihor Radchenko
2023-07-17 9:39 ` Po Lu
2023-07-17 9:54 ` Ihor Radchenko
2023-07-17 10:08 ` Po Lu
2023-07-24 8:42 ` Ihor Radchenko
2023-07-24 9:52 ` Po Lu
2023-07-24 10:09 ` Ihor Radchenko
2023-07-24 12:15 ` Po Lu
2023-07-24 12:25 ` Ihor Radchenko
2023-07-24 13:31 ` Po Lu
2023-07-24 13:53 ` Ihor Radchenko
2023-07-25 0:12 ` Po Lu
2023-07-25 4:28 ` Ihor Radchenko
2023-07-24 12:50 ` Eli Zaretskii
2023-07-24 13:15 ` Ihor Radchenko
2023-07-24 13:41 ` Eli Zaretskii
2023-07-24 14:13 ` Ihor Radchenko
2023-07-24 12:44 ` Eli Zaretskii
2023-07-24 13:02 ` Ihor Radchenko
2023-07-24 13:54 ` Eli Zaretskii
2023-07-24 14:24 ` Ihor Radchenko
2023-07-24 16:00 ` Eli Zaretskii
2023-07-24 16:38 ` Ihor Radchenko
2023-07-25 0:20 ` Po Lu
2023-07-25 4:36 ` Ihor Radchenko
2023-07-25 7:27 ` Po Lu
2023-07-25 7:59 ` Ihor Radchenko
2023-07-25 8:27 ` Po Lu
2023-07-25 8:45 ` Ihor Radchenko
2023-07-25 8:53 ` Po Lu
2023-07-25 9:03 ` Ihor Radchenko
2023-07-25 9:17 ` Po Lu
2023-07-25 9:27 ` Ihor Radchenko
2023-07-25 9:37 ` Po Lu
2023-07-25 12:40 ` Eli Zaretskii
2023-07-25 11:29 ` Eli Zaretskii
2023-07-25 11:52 ` Ihor Radchenko
2023-07-25 14:27 ` Eli Zaretskii
2023-07-09 17:13 ` Gregory Heytings
2023-07-10 11:37 ` Ihor Radchenko
2023-07-13 13:54 ` Gregory Heytings
2023-07-13 14:23 ` Ihor Radchenko
2023-07-07 0:21 ` Po Lu
2023-07-06 14:08 ` Eli Zaretskii
2023-07-06 15:01 ` Ihor Radchenko
2023-07-06 15:16 ` Eli Zaretskii
2023-07-06 16:32 ` Ihor Radchenko
2023-07-06 17:50 ` Eli Zaretskii
2023-07-07 12:30 ` Ihor Radchenko
2023-07-07 13:34 ` Eli Zaretskii
2023-07-07 15:17 ` Ihor Radchenko
2023-07-07 19:31 ` Eli Zaretskii
2023-07-07 20:01 ` Ihor Radchenko
2023-07-08 6:50 ` Eli Zaretskii
2023-07-08 11:55 ` Ihor Radchenko
2023-07-08 14:43 ` Eli Zaretskii
2023-07-09 9:57 ` Ihor Radchenko
2023-07-09 12:08 ` Eli Zaretskii
2023-07-09 14:16 ` Ihor Radchenko
2023-07-09 15:00 ` Eli Zaretskii
2023-07-09 12:22 ` Po Lu
2023-07-09 13:12 ` Eli Zaretskii
2023-07-10 0:18 ` Po Lu
2023-07-08 0:51 ` Po Lu
2023-07-08 4:18 ` tomas
2023-07-08 5:51 ` Po Lu
2023-07-08 6:01 ` tomas
2023-07-08 10:02 ` Ihor Radchenko
2023-07-08 19:39 ` tomas
2023-07-08 6:25 ` Eli Zaretskii
2023-07-08 6:38 ` Ihor Radchenko
2023-07-08 7:45 ` Eli Zaretskii
2023-07-08 8:16 ` Ihor Radchenko
2023-07-08 10:13 ` Eli Zaretskii
2023-07-07 13:35 ` Po Lu
2023-07-07 15:31 ` Ihor Radchenko
2023-07-08 0:44 ` Po Lu
2023-07-08 4:29 ` tomas
2023-07-08 7:21 ` Eli Zaretskii
2023-07-08 7:48 ` Po Lu
2023-07-08 10:02 ` Eli Zaretskii
2023-07-08 11:54 ` Po Lu
2023-07-08 14:12 ` Eli Zaretskii
2023-07-09 0:37 ` Po Lu
2023-07-09 7:01 ` Eli Zaretskii
2023-07-09 7:14 ` Po Lu
2023-07-09 7:35 ` Eli Zaretskii
2023-07-09 7:57 ` Ihor Radchenko
2023-07-09 8:41 ` Eli Zaretskii
2023-07-10 14:53 ` Dmitry Gutov
2023-07-09 9:25 ` Po Lu
2023-07-09 11:14 ` Eli Zaretskii
2023-07-09 11:23 ` Ihor Radchenko
2023-07-09 12:10 ` Po Lu
2023-07-09 13:03 ` Eli Zaretskii
2023-07-08 12:01 ` Ihor Radchenko
2023-07-08 14:45 ` Eli Zaretskii [this message]
2023-07-07 0:41 ` Po Lu
2023-07-07 12:42 ` Ihor Radchenko
2023-07-07 13:31 ` Po Lu
2023-07-07 0:27 ` Po Lu
2023-07-07 12:45 ` Ihor Radchenko
2023-07-06 0:27 ` Po Lu
2023-07-06 10:48 ` Ihor Radchenko
2023-07-06 12:15 ` Po Lu
2023-07-06 14:10 ` Eli Zaretskii
2023-07-06 15:09 ` Ihor Radchenko
2023-07-06 15:18 ` Eli Zaretskii
2023-07-06 16:36 ` Ihor Radchenko
2023-07-06 17:53 ` Eli Zaretskii
2023-07-07 0:22 ` Po Lu
2023-07-05 0:33 ` Po Lu
2023-07-05 2:31 ` Eli Zaretskii
2023-07-17 20:43 ` Hugo Thunnissen
2023-07-18 4:51 ` tomas
2023-07-18 5:25 ` Ihor Radchenko
2023-07-18 5:39 ` Po Lu
2023-07-18 5:49 ` Ihor Radchenko
2023-07-18 12:14 ` Hugo Thunnissen
2023-07-18 12:39 ` Async IO and queing process sentinels (was: Concurrency via isolated process/thread) Ihor Radchenko
2023-07-18 12:49 ` Ihor Radchenko
2023-07-18 14:12 ` Async IO and queing process sentinels Michael Albinus
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