From: Akira Kyle <ak@akirakyle.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Philipp Stephani <p.stephani2@gmail.com>,
Emacs developers <emacs-devel@gnu.org>
Subject: Re: "Asynchronous Requests from Emacs Dynamic Modules"
Date: Sun, 01 Nov 2020 13:18:40 -0700 [thread overview]
Message-ID: <867dr4omov.fsf@akirakyle.com> (raw)
In-Reply-To: <jwv361u8svy.fsf-monnier+emacs@gnu.org>
On Sat, Oct 31, 2020 at 06:49 AM, Stefan Monnier
<monnier@iro.umontreal.ca> wrote:
>> With Emacs 28, you can get a file descriptor to a pipe process
>> and
>> send arbitrary data there (from arbitrary threads).
>
> Cool, so that takes care of it.
>
>> You'd still need some small protocol (e.g. JSON) to
>> encode/decode
>> requests, but with that you can send arbitrary requests
>> back asynchronously.
>
> I don't think you need a complex protocol: just stash somewhere
> (inside
> the module data structures) the data you need for the async
> request,
> then send a dummy byte to the pipe. On the Lisp side, just
> install
> a process-filter which calls back the module to "run any pending
> async
> requests".
Thanks Philipp for pointing this out! I'm glad this was already
thought of and added so the SIGUSR1 hack isn't necessary going
forward. For future reference, the module function is
`open_channel`.
next prev parent reply other threads:[~2020-11-01 20:18 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-30 21:35 "Asynchronous Requests from Emacs Dynamic Modules" Akira Kyle
2020-10-30 22:39 ` Stefan Monnier
2020-10-31 3:18 ` Zhu Zihao
2020-10-31 7:45 ` Eli Zaretskii
2020-10-31 8:02 ` yyoncho
2020-10-31 9:13 ` Eli Zaretskii
2020-10-31 9:45 ` yyoncho
2020-10-31 10:43 ` Eli Zaretskii
2020-10-31 19:25 ` Akira Kyle
2020-10-31 20:18 ` Eli Zaretskii
2020-11-01 0:14 ` Akira Kyle
2020-11-01 18:28 ` Eli Zaretskii
2020-11-01 20:15 ` Akira Kyle
2020-11-01 20:51 ` async-await (was: Re: "Asynchronous Requests from Emacs Dynamic Modules") Philipp Stephani
2020-11-02 15:22 ` "Asynchronous Requests from Emacs Dynamic Modules" Eli Zaretskii
2020-10-31 7:36 ` Philipp Stephani
2020-10-31 12:49 ` Stefan Monnier
2020-11-01 20:18 ` Akira Kyle [this message]
2020-11-01 20:32 ` Philipp Stephani
2020-11-20 15:54 ` Zhu Zihao
2020-11-20 16:04 ` Robert Pluim
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