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bug#12834: 24.3.50; OS X selecting a font can lock Emacs
From: |
Ivan Andrus |
Subject: |
bug#12834: 24.3.50; OS X selecting a font can lock Emacs |
Date: |
Wed, 14 Nov 2012 10:39:13 +0100 |
On Nov 14, 2012, at 7:08 AM, Jan Djärv <jan.h.d@swipnet.se> wrote:
> Hello.
>
> 13 nov 2012 kl. 19:40 skrev Ivan Andrus <darthandrus@gmail.com>:
> On Nov 13, 2012, at 4:19 PM, Jan Djärv <jan.h.d@swipnet.se> wrote:
>>> Which version did you build? Are you sure you built the emacs-24 branch,
>>> not trunk?
>>
>> To be honest I'm not entirely sure how to figure that out. Every time I
>> think I understand bzr it doesn't do what I think. Anyway, updating on the
>> branch I get
>>
>> $ bzr pull
>> Using saved parent location: bzr://bzr.savannah.gnu.org/emacs/emacs-24/
>>
>>
>> No revisions or tags to pull.
>>
>>
>>
>> In src/nsterm.m I see
>>
>> 303 static void
>> 304 hold_event (struct input_event *event)
>> 305 {
>> 306 if (hold_event_q.nr == hold_event_q.cap)
>> 307 {
>> 308 if (hold_event_q.cap == 0) hold_event_q.cap = 10;
>> 309 else hold_event_q.cap *= 2;
>> 310 hold_event_q.q = (struct input_event *)
>> 311 xrealloc (hold_event_q.q, hold_event_q.cap * sizeof
>> (*hold_event_q.q));
>> 312 }
>> 313
>> 314 hold_event_q.q[hold_event_q.nr++] = *event;
>> 315 /* Make sure ns_read_socket is called, i.e. we have input. */
>> 316 kill (0, SIGIO);
>> 317 }
>>
>> which I think is the required change. I still see the problem. When I run
>> under gdb I am unable to interrupt the process with Ctrl-C once it has
>> stopped responding. I'm afraid I'm not sure how to help debug it otherwise.
>> Sending SIGIO manually doesn't cause it to become responsive.
>
> That is the fix. Sending SIGIO manually is pointless. I can not reproduce
> the error anymore, so make sure you did make install, and give the exact
> steps you did to encounter the bug, starting from -Q.
I ran make install to be sure.
./nextstep/Emacs.app/Contents/MacOS/Emacs -Q
Interestingly this opens ~/.emacs.d/abbref_defs which had an error on my
machine. Is this expected with -Q? Anyway, it's probably not relevant to the
discussion at hand since I see the same behaviour if I move .emacs.d entirely.
Then I run `menu-set-font', either from the menu or with C-x C-e. I can change
the font and the size freely. Then I click in the "Size" text box. A few
times this hasn't caused problems, but usually it causes Emacs to stop
responding. The font panel still responds, but nothing changes in terms of the
font displayed and it doesn't register typing etc. FWIW, I added a printf to
hold_event and it gets called 3 times when I click on anything other than the
text box, but only twice when I click on the text box.
Thanks for looking into this. I'm running 10.8.2 with home brew installed with
the latest XCode installed. I recently upgraded from 10.6.8. I'm not sure
what else might be at play.
-Ivan
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs, Ivan Andrus, 2012/11/08
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs, Jan Djärv, 2012/11/13
- Message not available
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs, Jan Djärv, 2012/11/13
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs, Ivan Andrus, 2012/11/13
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs, Eli Zaretskii, 2012/11/13
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs, Jan Djärv, 2012/11/14
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs,
Ivan Andrus <=
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs, Jan Djärv, 2012/11/17
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs, Ivan Andrus, 2012/11/17
- bug#12834: 24.3.50; OS X selecting a font can lock Emacs, Jan Djärv, 2012/11/18