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
