The systemd watchdog has three big problems:
- it wrongly restarts KWin in some cases after suspend
- it wrongly restarts KWin in some OOM situations
- it wrongly restarts KWin when doing a live upgrade from the watchdog being disabled to it being enabled
Each of those cases can cause users to lose data and in the upgrade case even require repairing
the system manually, which is not acceptable.
This commit keeps the watchdog code in place for now; the decision to remove it or what to
replace it with isn't as urgent.
Allows to notify systemd whether kwin is still running and possibly
restart the service if it stops responding.
Use Type=notify-reload to watch the kwin service. This will make it so
we receive SIGHUP rather than SIGTERM on the wrapper which we can handle
gracefully and stop the kwin process and restart as expected.
https://www.freedesktop.org/software/systemd/man/latest/systemd.service.html
Signed-off-by: Victoria Fischer <victoria.fischer@mbition.io>
kwin_wayland has become unstable. Sometimes it works fine, sometimes it
is randomly killed. Things are quite bad after kwin_wayland --replace.
This reverts commit 71ade59f4b.
Allows to notify systemd whether kwin is still running and possibly
restart the service if it stops responding.
Use Type=notify-reload to watch the kwin service. This will make it so
we receive SIGHUP rather than SIGTERM on the wrapper which we can handle
gracefully and stop the kwin process and restart as expected.
https://www.freedesktop.org/software/systemd/man/latest/systemd.service.html
Signed-off-by: Victoria Fischer <victoria.fischer@mbition.io>
By marking as part of graphical-session we get a more graceful shutdown.
Also switched to explicit restart inside the unit. Originally I did this
with drop-ins, but this complicates wayland for now.
