[systemd-devel] Shutdown notify
lennart at poettering.net
Tue Aug 19 04:39:39 PDT 2014
On Tue, 19.08.14 13:34, Michal Witanowski (m.witanowski at samsung.com) wrote:
> Hi all,
> I would like to know if there is a possibility to get notified about
> upcoming shutdown/restart. For example:
> . Somebody executes "systemctl reboot" / "systemctl poweroff"
> . A callback function is called in my service before SIGTERM is
> triggered on ANY service.
> . After my callback returns, the systemd continues the
> reboot/shutdown process.
> I suppose it's possible via dbus API, but I couldn't find any examples
> connected with this scenario.
> Thanks in advance.
You can use logind's shutdown delay inhibit locks:
Lennart Poettering, Red Hat
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