[systemd-devel] Shutdown notify
Michal Witanowski
m.witanowski at samsung.com
Tue Aug 19 05:49:19 PDT 2014
What if I'm using systemd built without logind?
-----Original Message-----
From: Lennart Poettering [mailto:lennart at poettering.net]
Sent: Tuesday, August 19, 2014 1:40 PM
To: Michal Witanowski
Cc: systemd-devel at lists.freedesktop.org
Subject: Re: [systemd-devel] Shutdown notify
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:
http://www.freedesktop.org/wiki/Software/systemd/inhibit/
Lennart
--
Lennart Poettering, Red Hat
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