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windowManager: Handle return value/errors from systemd unit calls

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These may produce errors, and return a value indicating we should
proceed further. Check for those when starting/stopping gsd-xsettings.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1238
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2755
This commit is contained in:
Carlos Garnacho 2020-05-07 11:15:46 +02:00 committed by Florian Müllner
parent af34c8d2f4
commit 0ecddafc20
1 changed files with 32 additions and 22 deletions
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54
js/ui/windowManager.js
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@ -900,35 +900,45 @@ var WindowManager = class {
global.display.connect('init-xserver', (display, task) => { global.display.connect('init-xserver', (display, task) => {
IBusManager.getIBusManager().restartDaemon(['--xim']); IBusManager.getIBusManager().restartDaemon(['--xim']);
Shell.util_start_systemd_unit('gsd-xsettings.target', 'fail');
/* Leave this watchdog timeout so don't block indefinitely here */ try {
let timeoutId = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, 5, () => { if (Shell.util_start_systemd_unit('gsd-xsettings.target', 'fail')) {
Gio.DBus.session.unwatch_name(watchId); /* Leave this watchdog timeout so don't block indefinitely here */
log('Warning: Failed to start gsd-xsettings'); let timeoutId = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, 5, () => {
task.return_boolean(true); Gio.DBus.session.unwatch_name(watchId);
timeoutId = 0; log('Warning: Failed to start gsd-xsettings');
return GLib.SOURCE_REMOVE;
});
/* When gsd-xsettings daemon is started, we are good to resume */
let watchId = Gio.DBus.session.watch_name(
'org.gnome.SettingsDaemon.XSettings',
Gio.BusNameWatcherFlags.NONE,
() => {
Gio.DBus.session.unwatch_name(watchId);
if (timeoutId > 0) {
task.return_boolean(true); task.return_boolean(true);
GLib.source_remove(timeoutId); timeoutId = 0;
} return GLib.SOURCE_REMOVE;
}, });
null);
/* When gsd-xsettings daemon is started, we are good to resume */
let watchId = Gio.DBus.session.watch_name(
'org.gnome.SettingsDaemon.XSettings',
Gio.BusNameWatcherFlags.NONE,
() => {
Gio.DBus.session.unwatch_name(watchId);
if (timeoutId > 0) {
task.return_boolean(true);
GLib.source_remove(timeoutId);
}
},
null);
}
} catch (e) {
log('Error starting gsd-xsettings: %s'.format(e.message));
}
return true; return true;
}); });
global.display.connect('x11-display-closing', () => { global.display.connect('x11-display-closing', () => {
if (!Meta.is_wayland_compositor()) if (!Meta.is_wayland_compositor())
return; return;
Shell.util_stop_systemd_unit('gsd-xsettings.target', 'fail'); try {
Shell.util_stop_systemd_unit('gsd-xsettings.target', 'fail');
} catch (e) {
log('Error stopping gsd-xsettings: %s'.format(e.message));
}
IBusManager.getIBusManager().restartDaemon(); IBusManager.getIBusManager().restartDaemon();
}); });