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Re: timer handlers and ^G


From: Ken Raeburn
Subject: Re: timer handlers and ^G
Date: Wed, 24 Oct 2001 13:21:36 -0400
User-agent: Gnus/5.090004 (Oort Gnus v0.04) Emacs/21.0.107

Eli Zaretskii <address@hidden> writes:

> This was discussed some time ago.  Richard says that he found 
> interrupting the timers very dangerous, because it could leave Emacs in 
> an unstable state.  The recommendation is for code that runs off timers 
> to be written so that it cannot hang.

Okay, I wasn't sure how fragile other uses of timers might be.

> If the timer handler is written so that its author is _positive_ it can 
> be interrupted, that code can enable quitting.

That's certainly good enough... as long as Gnus actually does (get
changed to).  Until then, I can run my expires manually.



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