Bug#590892: <interactive> not honored on shutdown, sindsigs not interactive

[Mark Hindley]

Control: tags -1 upstream

Jessie,

I know this has been dormant for a long time, for which, apologies.

On Sat, Jul 13, 2019 at 08:29:26AM +0000, Dmitry Bogatov wrote:
> I thing we already have everything needed.  Essentially, insserv
> impements topological sorting, both on start sequence and stop sequence.
> 
>  On start, if "foo" has "Should-Start: bar", it means that "foo" will be
>  started /after/ "bar".
> 
>  On start, if "foo" has "X-Start-Before: bar", it means that "foo" will
>  be started /before/ "bar".
> 
>  On stop, if "foo" has "Should-Stop: bar", then "foo" is stopped /before/
>  "bar".
> 
>  On stop, if "foo" has "X-Stop-After: bar", then "foo" is stoppend
>  /after/ "bar"
> 
> So, any init script can specify arbitrary relations (before, after,
> irrelevant) with any other script. So, to make sure that your script is
> never executed parallel to some other, you have to use one of first two
> relations and one of last two.
> 
> On other hand, we already have X-Interactive, which, strictly speaking,
> is not in basis (it can be expressed in terms of Should-Start and
> X-Start-Before).
> 
> Jess, how much complexity would it be to implement X-Exclusive (or reusing
> X-Interactive for stop sequence)?

What are your thoughts here?

Mark