F15 Feature - convert as many service init files as possible to the native SystemD services

Tomas Mraz tmraz at redhat.com
Fri Nov 26 08:16:04 UTC 2010

On Fri, 2010-11-26 at 02:07 +0100, Miloslav Trmač wrote: 
> Lennart Poettering píše v Pá 26. 11. 2010 v 01:27 +0100:
> > On Thu, 25.11.10 17:33, Tomas Mraz (tmraz at redhat.com) wrote:
> > And also, cron does a couple of really nasty things. For example it
> > wakes up in regular intervals to check if a job is ready to run. It does
> > so to deal with wallclock time changes/suspends. In systemd we are
> > working on a different way to solve this, so that we can actually sleep
> > as long as possible, and don't have to wake up in regular
> > intervals.
> Great.  You can fix cron then, this does not mean it is necessary to
> integrate the two.
> > To summarize this: the current logic of cron is not pretty. And it
> > duplicates process spawning and babysitting which already exists in way
> > too many daemons,
> I think you'll find the execution of processes is a comparatively small
> part of cron.  And anyway, "process spawning and babysitting" will
> _always_ exist in many different daemons, unless you want to run the
> whole system within a single systemd process.  It would be much much
> better for the ecosystem to extract these parts of systemd into a
> library (perhaps standalone, perhaps interacting with the system-wide
> systemd runtime) that can be used in any other process that needs to run
> a task in a separately tracked "daemon group".

Tomas Mraz
No matter how far down the wrong road you've gone, turn back.
                                              Turkish proverb

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