From: Eli Zaretskii <eliz@gnu.org>
To: Po Lu <luangruo@yahoo.com>
Cc: gerd.moellmann@gmail.com, 59794@debbugs.gnu.org, justksqsf@gmail.com
Subject: bug#59794: 29.0.60; NSport segfaults when a fullscreen frame is being closed)
Date: Sun, 04 Dec 2022 12:24:15 +0200 [thread overview]
Message-ID: <83ilirbh68.fsf@gnu.org> (raw)
In-Reply-To: <87ilirr0uq.fsf@yahoo.com> (message from Po Lu on Sun, 04 Dec 2022 17:10:05 +0800)
[-- Attachment #1: Type: text/plain, Size: 603 bytes --]
> From: Po Lu <luangruo@yahoo.com>
> Cc: Kai Ma <justksqsf@gmail.com>, Gerd Möllmann
> <gerd.moellmann@gmail.com>,
> 59794@debbugs.gnu.org
> Date: Sun, 04 Dec 2022 17:10:05 +0800
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> >> From: Kai Ma <justksqsf@gmail.com>
> >> Date: Sat, 03 Dec 2022 18:48:15 +0800
> >>
> >> I'm currently using the trivial fix to prevent further data loss:
> >
> > Maybe we should install this fix. Does anyone see a problem with it?
>
> Could you please forward the patch in that message?
Why, cannot you access debbugs?
Anyway, attached below.
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: 0001-Prevent-a-segfault-when-deleting-a-fullscreen-frame-.patch --]
[-- Type: text/x-patch, Size: 1116 bytes --]
>From 8ea35a8099f34f482d090ea8068e89f52dcd29ac Mon Sep 17 00:00:00 2001
From: Kai Ma <justksqsf@gmail.com>
Date: Sat, 3 Dec 2022 18:17:26 +0800
Subject: [PATCH] Prevent a segfault when deleting a fullscreen frame on
NextStep.
* nsterm.m ([EmacsView resetCursorRects:]): Be defensive when
accessing FRAME_OUTPUT_DATA.
---
src/nsterm.m | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/src/nsterm.m b/src/nsterm.m
index 507f2a9e7d..c09f743ec7 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -6703,8 +6703,16 @@ - (BOOL)acceptsFirstResponder
- (void)resetCursorRects
{
- NSRect visible = [self visibleRect];
- NSCursor *currentCursor = FRAME_POINTER_TYPE (emacsframe);
+ NSRect visible;
+ NSCursor *currentCursor;
+
+ /* On macOS 13, [resetCursorRects:] could be called even after the
+ window is closed. */
+ if (! emacsframe || ! FRAME_OUTPUT_DATA (emacsframe))
+ return;
+
+ visible = [self visibleRect];
+ currentCursor = FRAME_POINTER_TYPE (emacsframe);
NSTRACE ("[EmacsView resetCursorRects]");
if (currentCursor == nil)
--
2.37.1 (Apple Git-137.1)
next prev parent reply other threads:[~2022-12-04 10:24 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-02 12:01 bug#59794: 29.0.60; NSport segfaults when a fullscreen frame is being closed Kai Ma
2022-12-03 10:08 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-03 10:27 ` Eli Zaretskii
2022-12-03 11:44 ` Gerd Möllmann
2022-12-03 13:03 ` Kai Ma
2022-12-03 13:53 ` Gerd Möllmann
2022-12-03 20:51 ` Kai Ma
[not found] ` <handler.59794.B.167005568724588.ack@debbugs.gnu.org>
2022-12-03 10:48 ` bug#59794: Acknowledgement (29.0.60; NSport segfaults when a fullscreen frame is being closed) Kai Ma
2022-12-04 6:54 ` bug#59794: 29.0.60; " Eli Zaretskii
2022-12-04 9:10 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-04 10:24 ` Eli Zaretskii [this message]
2022-12-04 11:59 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-04 12:21 ` Eli Zaretskii
2022-12-04 12:23 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-04 12:45 ` Kai Ma
2022-12-04 12:53 ` Eli Zaretskii
2022-12-04 13:53 ` Daniel Martín via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-04 14:04 ` Kai Ma
2022-12-05 1:10 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-01-10 20:35 ` Steven E. Harris
2023-01-11 1:14 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-01-11 4:38 ` Gerd Möllmann
2023-01-17 21:37 ` Steven E. Harris
2023-01-18 5:06 ` Gerd Möllmann
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