"Kevin Grittner" <kevin.gritt...@wicourts.gov> writes:
> I can't see a clear case either way.  I know I *have* seen scripts
> which took the trouble to special-case it, but I just poked around
> and found that it seems much less common than unconditionally using
> "exit 5".  Does anyone know of an environment where it matters?

Probably not.  You might find it entertaining to read the current
Fedora guidelines for init scripts:


The skeleton shown there only bothers to throw exit 5 when the
program is missing at start time.

I think though that the answer to Peter's question is that "stop" has to
be special cased to some extent, because it is not supposed to be an
error to stop a service that's not running.  If it's not even installed,
then a fortiori it's not running, so the exit code *must* be 0 not 5 in
that case.  I've even been told that you should get 0 if you run
"service foo stop" on a non-running service as a non-superuser,
ie, a case where you *would* get a failure (no permissions) if the
service were running.  I'm not sure I believe that last bit myself,
but Red Hat has got some test scripts that think this.

                        regards, tom lane

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