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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Philipp Stephani <p.stephani2@gmail.com>
Cc: Akira Kyle <ak@akirakyle.com>, Emacs developers <emacs-devel@gnu.org>
Subject: Re: "Asynchronous Requests from Emacs Dynamic Modules"
Date: Sat, 31 Oct 2020 08:49:21 -0400	[thread overview]
Message-ID: <jwv361u8svy.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <CAArVCkRbU0aKSimZLeXBqOEcQX3Gpf7AByxwO=vYBMrwLNp0Kw@mail.gmail.com> (Philipp Stephani's message of "Sat, 31 Oct 2020 08:36:06 +0100")

> 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".


        Stefan




  reply	other threads:[~2020-10-31 12:49 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 [this message]
2020-11-01 20:18     ` Akira Kyle
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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