[systemd-devel] Requires and After

[Jérémy Rosen]

On 02/01/2019 10:08, Michael Chapman wrote:
>
>> Requires = Wants + Requisite + PartOf
>>
>> is that correct ?
> I think it's just:
>
>    Requires = Wants + PartOf
>
> Wants= propagates "start" and "restart" jobs as "start" jobs on the other
> unit.
>
> ConsistsOf= (the inverse of PartOf=) propagates "stop" and "restart" jobs
> as "stop" and "try-restart" jobs respectively on the other unit.
>
> So Wants= configures activation dependencies in one direction, and
> PartOf= configures deactivation dependencies in the other direction.
>
> (I'm taking this from transaction_add_job_and_dependencies in
> src/core/transaction.c, if anybody wants to check my working.)
So...

Requires = Wants + PartOf
Requires + After = Wants  + PartOf + Requisite + After

better ?
My goal is to try to clarify that in the documentation at some point...


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