[systemd-devel] alternative approach to waiting for system time to be set

[Jérémy Rosen]

Maybe start a github pull-request ? things seems to be less forgotten 
that way.

since your code already exist, creating a first PR should not be too 
much work...

On 19/03/2018 02:45, Peter A. Bigot wrote:
> Like others I'd like to use systemd to defer starting a service until 
> the system time has been set accurately.  Previous approaches to 
> resolving issue #5097 don't seem to be going anywhere.
>
> https://github.com/pabigot/timesyncwait has my proposed solution: a 
> standalone service that blocks until adjtimex(2) confirms that 
> something has told the kernel its realtime clock is synchronized. It 
> also provides a new time-synchronized.target so it can be installed 
> alongside an unmodified timesyncd.
>
> Initial tests show this meets my needs.  I'd be willing to rework it 
> as a patch to systemd if there's consensus the approach is reasonable.
>
> Peter
>
> Mar 15 17:14:17 raspberrypi3 systemd[1]: Starting Wait Until Kernel 
> Time Synchronized...
> Mar 15 17:14:17 raspberrypi3 timesyncwait[107]: adjtime state 5 status 
> 40 time 1521134057.408590
> Mar 19 01:04:35 raspberrypi3 timesyncwait[107]: adjtime state 0 status 
> 2000 time 1521421475.316852
> Mar 19 01:04:35 raspberrypi3 systemd[1]: Started Wait Until Kernel 
> Time Synchronized.
>
> References:
> * https://github.com/systemd/systemd/issues/5097
> * https://github.com/LukeShu/systemd-timesyncd-wait
> * 
> https://lists.freedesktop.org/archives/systemd-devel/2014-November/025131.html
> * 
> https://lists.freedesktop.org/archives/systemd-devel/2017-May/038952.html
>
>
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> systemd-devel mailing list
> systemd-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/systemd-devel

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