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Re: Build agenda asynchronously

From: Henrik Frisk
Subject: Re: Build agenda asynchronously
Date: Wed, 18 Aug 2021 07:41:11 +0200

Den tis 17 aug. 2021 kl 08:54 skrev Dr. Arne Babenhauserheide <arne_bab@web.de>:

Tim Cross <theophilusx@gmail.com> writes:

> Emacs' support for asynchronous operations is at best primitive. There
> is built-in support for calling processes asynchonously and
> there is some other development work to set the stage for adding threads,
> but I think general asynchronous processing inside Emacs is a long way
> off. A lot of how Emacs lisp works fundamentally lacks the low level
> control structures necessary to make data structures and operations on
> those structures thread safe. This means you have to work at a very low
> level in order to ensure code is thread safe and that simply isn't
> practical. Even defining the basic model for an asynchronous emacs lisp
> is non-trivial and once you have the model, you ahve to implement it.

Maybe it could be possible to fire up a second Emacs and retrieve the

This is what I do for commands like exporting the agenda which can take a while with the -nw flag, but that is of course unsatisfactory for most use cases.


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