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bug#12839: 24.3.50; Emacs aborts in GC
From: |
Eli Zaretskii |
Subject: |
bug#12839: 24.3.50; Emacs aborts in GC |
Date: |
Fri, 09 Nov 2012 16:16:49 +0200 |
> Date: Fri, 09 Nov 2012 17:17:26 +0400
> From: Dmitry Antipov <dmantipov@yandex.ru>
> CC: 12839@debbugs.gnu.org
>
> On 11/09/2012 11:24 AM, Eli Zaretskii wrote:
>
> > I'd be happy to try debugging this myself, but I need guidance
> > regarding some basics of what you changed recently in this area.
> > Alternatively, tell me what to do in GDB, and I will post the results.
> > I'm quite fluent with GDB, and reproducing this is extremely easy :-(.
>
> Try this:
>
> === modified file 'src/w32term.h'
> --- src/w32term.h 2012-10-17 19:02:44 +0000
> +++ src/w32term.h 2012-11-09 13:13:43 +0000
> @@ -414,10 +414,8 @@
> vector. */
>
> struct scroll_bar {
> -
> - /* These fields are shared by all vectors. */
> - EMACS_INT size_from_Lisp_Vector_struct;
> - struct Lisp_Vector *next_from_Lisp_Vector_struct;
> + /* This field is shared by all vectors. */
> + struct vectorlike_header header;
>
> /* The window we're a scroll bar for. */
> Lisp_Object window;
I applied this together with the other patch you sent, and the 2
crashes I saw earlier do not happen anymore. Thanks.
> This is Windows-specific and obviously wrong since sizeof (struct
> vectorlike_header)
> is now _less than_ sizeof (EMACS_INT) + sizeof (struct Lisp_Vector *).
If it's wrong, why use it? What would be the right change?
- bug#12839: 24.3.50; Emacs aborts in GC, Eli Zaretskii, 2012/11/08
- bug#12839: 24.3.50; Emacs aborts in GC, Eli Zaretskii, 2012/11/08
- bug#12839: 24.3.50; Emacs aborts in GC, Dmitry Antipov, 2012/11/08
- bug#12839: 24.3.50; Emacs aborts in GC, Dmitry Antipov, 2012/11/09
- bug#12839: 24.3.50; Emacs aborts in GC, Dmitry Antipov, 2012/11/09
- bug#12839: 24.3.50; Emacs aborts in GC,
Eli Zaretskii <=
- bug#12839: 24.3.50; Emacs aborts in GC, Dmitry Antipov, 2012/11/09
- bug#12839: 24.3.50; Emacs aborts in GC, Eli Zaretskii, 2012/11/09