Thank you Peter.
Mike Shaw MVS/QuickRef Support Group Chicago-Soft, Ltd. On Sat, Jul 2, 2016 at 9:01 AM, Peter Relson <rel...@us.ibm.com> wrote: > >Then is there a reliable method for a non APF authorized program that > does > >not execute continuously to determine whether a capacity on demand > upgrade > >was performed since the last time that same program executed? > > Not that comes to mind. And, in fact, the operating system has no idea > that that has happened either. It knows only that a configuration change > event was identified by the machine (or for whatever other reason it > chooses to refresh the data, and there are some) and the system reacts to > changes that it finds within the data. The ENF signal that I presume you > are alluding to (non-APF authorized programs cannot listen for an ENF > signal) is about the (potential) configuration change event, not about a > capacity on demand upgrade. It is up to the listener to determine if there > is anything of interest that has changed. > > >Because some of the return codes indicate invalid data. > I would say "no they do not; they indicate that the data are not > available". That does not relate to the value in a particular field. > > Peter Relson > z/OS Core Technology Design >