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Cosimo Cecchi 6359d6ef30 windowAttentionHandler: disconnect signals before destruction 
The 'destroy' signal is emitted at the end of the destroy() method.
However the implementation of destroy() can end up emitting one of the
signals we connect to on the window, causing us to re-enter destroy
from its callback.
That will in turn lead to some objects getting disposed twice, which
produces a stack trace like the following one.

This commit fixes the issue by overriding the destroy() method instead
of connecting to the signal, which allows us to disconnect the signal
handlers from the window at an earlier time and avoid re-entrancy.

--

gnome-shell[1082]: Object Gio.Settings (0x7f0af8143f00), has been already deallocated — impossible to access it. This might be caused by the object having been destroyed from C code using something such as destroy(), dispose(), or remove() vfuncs.
org.gnome.Shell.desktop[1082]: == Stack trace for context 0x5627f7d1e220 ==
org.gnome.Shell.desktop[1082]: #0   5627f9e801a8 i   resource:///org/gnome/shell/ui/messageTray.js:238 (7f0aefa9eca0 @ 22)
org.gnome.Shell.desktop[1082]: #1   5627f9e80108 i   resource:///org/gnome/shell/ui/messageTray.js:802 (7f0aefaa2ee0 @ 28)
org.gnome.Shell.desktop[1082]: #2   5627f9e80070 i   resource:///org/gnome/shell/ui/windowAttentionHandler.js:79 (7f0aef7b29d0 @ 62)
org.gnome.Shell.desktop[1082]: #3   7fffa69fbfc0 b   self-hosted:979 (7f0aefa515e0 @ 440)
org.gnome.Shell.desktop[1082]: #4   5627f9e7ffe0 i   resource:///org/gnome/shell/ui/messageTray.js:121 (7f0aefa9e1f0 @ 71)
org.gnome.Shell.desktop[1082]: #5   5627f9e7ff38 i   resource:///org/gnome/shell/ui/messageTray.js:1408 (7f0aefaa58b0 @ 22)
org.gnome.Shell.desktop[1082]: #6   5627f9e7fe80 i   resource:///org/gnome/shell/ui/messageTray.js:1237 (7f0aefaa51f0 @ 729)
org.gnome.Shell.desktop[1082]: #7   5627f9e7fde8 i   resource:///org/gnome/shell/ui/messageTray.js:1055 (7f0aefaa3d30 @ 124)
org.gnome.Shell.desktop[1082]: #8   7fffa69ff8e0 b   self-hosted:979 (7f0aefa515e0 @ 440)
org.gnome.Shell.desktop[1082]: #9   7fffa69ff9d0 b   resource:///org/gnome/gjs/modules/signals.js:142 (7f0aefccb670 @ 386)
org.gnome.Shell.desktop[1082]: #10   5627f9e7fd58 i   resource:///org/gnome/shell/ui/messageTray.js:479 (7f0aefaa0940 @ 50)
org.gnome.Shell.desktop[1082]: #11   5627f9e7fcb8 i   resource:///org/gnome/shell/ui/messageTray.js:808 (7f0aefaa2ee0 @ 99)
org.gnome.Shell.desktop[1082]: #12   5627f9e7fc28 i   resource:///org/gnome/shell/ui/windowAttentionHandler.js:69 (7f0aef7b28b0 @ 13)
org.gnome.Shell.desktop[1082]: #13   5627f9e7fb80 i   resource:///org/gnome/shell/ui/main.js:566 (7f0aefcd8820 @ 216)
org.gnome.Shell.desktop[1082]: #14   5627f9e7fad0 i   resource:///org/gnome/shell/ui/windowAttentionHandler.js:103 (7f0aef7b2c10 @ 27)
org.gnome.Shell.desktop[1082]: #15   5627f9e7fa58 i   resource:///org/gnome/shell/ui/windowAttentionHandler.js:43 (7f0aef7b2700 @ 17)
org.gnome.Shell.desktop[1082]: #16   7fffa6a03350 b   resource:///org/gnome/gjs/modules/signals.js:142 (7f0aefccb670 @ 386)
org.gnome.Shell.desktop[1082]: #17   5627f9e7f9d0 i   resource:///org/gnome/shell/ui/messageTray.js:471 (7f0aefaa08b0 @ 22)
org.gnome.Shell.desktop[1082]: #18   5627f9e7f950 i   resource:///org/gnome/shell/ui/calendar.js:752 (7f0aefaabdc0 @ 22)
org.gnome.Shell.desktop[1082]: #19   7fffa6a048f0 b   self-hosted:979 (7f0aefa515e0 @ 440)
org.gnome.Shell.desktop[1082]: == Stack trace for context 0x5627f7d1e220 ==
org.gnome.Shell.desktop[1082]: #0   5627f9e801a8 i   resource:///org/gnome/shell/ui/messageTray.js:239 (7f0aefa9eca0 @ 42)
org.gnome.Shell.desktop[1082]: #1   5627f9e80108 i   resource:///org/gnome/shell/ui/messageTray.js:802 (7f0aefaa2ee0 @ 28)
org.gnome.Shell.desktop[1082]: #2   5627f9e80070 i   resource:///org/gnome/shell/ui/windowAttentionHandler.js:79 (7f0aef7b29d0 @ 62)
org.gnome.Shell.desktop[1082]: #3   7fffa69fbfc0 b   self-hosted:979 (7f0aefa515e0 @ 440)
org.gnome.Shell.desktop[1082]: #4   5627f9e7ffe0 i   resource:///org/gnome/shell/ui/messageTray.js:121 (7f0aefa9e1f0 @ 71)
org.gnome.Shell.desktop[1082]: #5   5627f9e7ff38 i   resource:///org/gnome/shell/ui/messageTray.js:1408 (7f0aefaa58b0 @ 22)
org.gnome.Shell.desktop[1082]: #6   5627f9e7fe80 i   resource:///org/gnome/shell/ui/messageTray.js:1237 (7f0aefaa51f0 @ 729)
org.gnome.Shell.desktop[1082]: #7   5627f9e7fde8 i   resource:///org/gnome/shell/ui/messageTray.js:1055 (7f0aefaa3d30 @ 124)
org.gnome.Shell.desktop[1082]: #8   7fffa69ff8e0 b   self-hosted:979 (7f0aefa515e0 @ 440)
org.gnome.Shell.desktop[1082]: #9   7fffa69ff9d0 b   resource:///org/gnome/gjs/modules/signals.js:142 (7f0aefccb670 @ 386)
org.gnome.Shell.desktop[1082]: #10   5627f9e7fd58 i   resource:///org/gnome/shell/ui/messageTray.js:479 (7f0aefaa0940 @ 50)
org.gnome.Shell.desktop[1082]: #11   5627f9e7fcb8 i   resource:///org/gnome/shell/ui/messageTray.js:808 (7f0aefaa2ee0 @ 99)
org.gnome.Shell.desktop[1082]: #12   5627f9e7fc28 i   resource:///org/gnome/shell/ui/windowAttentionHandler.js:69 (7f0aef7b28b0 @ 13)
org.gnome.Shell.desktop[1082]: #13   5627f9e7fb80 i   resource:///org/gnome/shell/ui/main.js:566 (7f0aefcd8820 @ 216)
org.gnome.Shell.desktop[1082]: #14   5627f9e7fad0 i   resource:///org/gnome/shell/ui/windowAttentionHandler.js:103 (7f0aef7b2c10 @ 27)
org.gnome.Shell.desktop[1082]: #15   5627f9e7fa58 i   resource:///org/gnome/shell/ui/windowAttentionHandler.js:43 (7f0aef7b2700 @ 17)
org.gnome.Shell.desktop[1082]: #16   7fffa6a03350 b   resource:///org/gnome/gjs/modules/signals.js:142 (7f0aefccb670 @ 386)
org.gnome.Shell.desktop[1082]: #17   5627f9e7f9d0 i   resource:///org/gnome/shell/ui/messageTray.js:471 (7f0aefaa08b0 @ 22)
org.gnome.Shell.desktop[1082]: #18   5627f9e7f950 i   resource:///org/gnome/shell/ui/calendar.js:752 (7f0aefaabdc0 @ 22)
org.gnome.Shell.desktop[1082]: #19   7fffa6a048f0 b   self-hosted:979 (7f0aefa515e0 @ 440)
gnome-shell[1082]: g_object_run_dispose: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[1082]: Object Gio.Settings (0x7f0af8161750), has been already deallocated — impossible to access it. This might be caused by the object having been destroyed from C code using something such as destroy(), dispose(), or remove() vfuncs.
gnome-shell[1082]: g_object_run_dispose: assertion 'G_IS_OBJECT (object)' failed

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/555
2019-05-27 08:35:56 -07:00
..
extensionPrefs extensionPrefs: Fix pref button appearance 2019-04-12 00:51:44 +02:00
gdm js: Throw GObject.NotImplementedError when requiring overriding 2019-05-21 15:43:21 -05:00
misc introspect: Include sandboxed-app-id as well 2019-05-16 13:02:08 +00:00
perf perf: Stop using GTK 2019-04-11 17:27:50 +00:00
portalHelper cleanup: Use destructuring for imports from GI 2019-02-09 07:39:20 +01:00
ui windowAttentionHandler: disconnect signals before destruction 2019-05-27 08:35:56 -07:00
js-resources.gresource.xml build: Remove remote menu support 2019-02-06 18:29:15 +01:00
meson.build build: Use dedicated resources for helper programs 2018-08-14 17:28:04 +00:00
portal-resources.gresource.xml build: Include params.js in portal-helper gresources 2018-10-23 15:38:31 +00:00
prefs-resources.gresource.xml build: Use dedicated resources for helper programs 2018-08-14 17:28:04 +00:00