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Re: User interaction from multiple threads

From: Michael Albinus
Subject: Re: User interaction from multiple threads
Date: Fri, 17 Aug 2018 09:33:55 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Elias Mårtenson <address@hidden> writes:

Hi Elias,

> I don't think we're in disagreement actually. I was referring to the
> specific case where a thread explicitly creates a frame. If you were
> to fire off 250 of ‘create-a-new-frame’ threads, you'd expect to have
> 250 frames created.

Well, we aren't in disagreement. I spoke about the case of "C-x & C-x
C-f .../emacs/lisp/*.el". This opens 250 buffers, all in the same frame.

> But who would run 250 ‘create-new-frame’ calls at all, threads or no
> threads?

Nobody. At least not me :-)

> This reminds me of a book I recently read, “The Apollo Guidance
> Computer — Architecture and Operation”. In it, they describe how the
> user interface worked on the limited hardware which had 3 main 50digit
> numeric input fields, a few smaller numeric fields and 14 or so
> buttons. They had an indicator light labelled KEY REL (“key release”)
> that indicated that a background job required operator attention.
> Pressing a similarly labelled button switched the display to that of
> the waiting task).
> It seems as though some of these same questions were being asked back
> in the 60's. :-)
> Here's a picture of the display unit for anyone who is curious:
> https://www.ibiblio.org/apollo/RealDSKY.jpg

Nice. Does it run Emacs? :-)

> Regards,
> Elias

Best regards, Michael.

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