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Re: A strange issue with buffer-undo-list


From: Emanuel Berg
Subject: Re: A strange issue with buffer-undo-list
Date: Thu, 25 Feb 2021 16:58:41 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Stefan Monnier wrote:

>> But if they are to drop buzzwords, isn't this
>> a transaction?
>
> No. It's only part of the properties of a transaction.
> The one called "atomicity". In the context of programming
> language, atomicity is also important for concurrency (where
> people usually use locks and stuff where the purpose is to
> get atomicity of the "critical region").

Interesting...

Semaphores and mutex to avoid race conditions?

Can you do that in Emacs even tho Emacs isn't Unix (POSIX)?

-- 
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http://user.it.uu.se/~embe8573
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