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Re: Emacs does not listen on w32

From: Stefan Monnier
Subject: Re: Emacs does not listen on w32
Date: Mon, 14 Apr 2008 09:45:58 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)

>>> In any case, the first
>>> thing to do is to figure out what *really* happened in the first place.
>>> We don't even know why Emacs didn't respond.  Maybe it has nothing to do
>>> with the processing of WM_CLOSE.
>> I don't think the problem was related to WM_CLOSE. What you suggested
>> is much more likely: a memory leak. Windows tends to be *extremely*
>> unresponsive on low-memory situations.

> I think you and Stefan are right about the memory problem but that there are
> two different problems. In response to Eli's message I tested a simple loop,
> something like

>   (let (x y)
>      (while (not x)
>       (setq y (current-time-string))
>         (when (string= y "something")
>         (setq x t))))

> Running this Emacs does not hang the pc, but it still does not answer when
> clicking the [X]. (I could kill it with C-g here though.)

Yes, that's perfectly normal.  The current semantics of WM_CLOSE (for
Emacs) is more or less the same as C-x C-c (or C-x 5 0): it waits for
the current command to finish and then runs another command that deletes
the frame.


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