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bug#24041: 25.1.50; xwidget + -nw mode gives segfault
From: |
Eli Zaretskii |
Subject: |
bug#24041: 25.1.50; xwidget + -nw mode gives segfault |
Date: |
Sun, 21 Aug 2016 05:40:20 +0300 |
> From: Robert Cochran <robert-emacs@cochranmail.com>
> Cc: Robert Cochran <robert-emacs@cochranmail.com>, shanemhansen@gmail.com,
> 24041@debbugs.gnu.org
> Date: Sat, 20 Aug 2016 14:33:58 -0700
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> >> From: Robert Cochran <robert-emacs@cochranmail.com>
> >> Date: Fri, 19 Aug 2016 11:36:30 -0700
> >> Cc: 24041@debbugs.gnu.org
> >>
> >> Anyways, so the fix here is conceptually pretty simple: have a check in
> >> place to ensure (display-graphic-p) returns non-nil before doing any
> >> xwidgets stuff. Easy enough.
> >
> > display-graphic-p accepts argument, so if a function displays on
> > another frame or display, it should be passed that frame or display.
>
> I guess I don't quite understand what you're trying to say here.
I'm saying that display-graphic-p should be told the frame for which
you are asking the question.
> (Is that even possible? Start a graphical frame from a tty Emacs?)
Of course, it is. emacsclient can do that. Assuming Emacs was built
with GUI support, of course. We have this feature for several years
now.
> > IMO, the check should be on the C level where the xwidget primitives
> > are implemented. One such place is make-xwidget; maybe there are
> > more. (The proper way of testing this on the C level is not by
> > calling display-graphic-p, but rather with check_x_display_info.)
>
> That's what my feeling was too. I'll go ahead and do it on the C level
> then.
Thanks.
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, Robert Cochran, 2016/08/19
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, Eli Zaretskii, 2016/08/20
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, Robert Cochran, 2016/08/20
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault,
Eli Zaretskii <=
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, Robert Cochran, 2016/08/21
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, Eli Zaretskii, 2016/08/22
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, Robert Cochran, 2016/08/22
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, Eli Zaretskii, 2016/08/22
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, joakim, 2016/08/22
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, Robert Cochran, 2016/08/22
- bug#24041: 25.1.50; xwidget + -nw mode gives segfault, Eli Zaretskii, 2016/08/22