> >> If, at 17:59:59 I had issued STIMER WAIT,BINTVL=[3 seconds]
> >>     would the wait have expired at 18:00:01?
> >
> >No, it would expire at 18:00:02 regardless of whether you are using
> >leap seconds
> >
> And since the Leap Second code is ignorant of whether an entry
> corresponds to a clock time or a duration, it assumes the former
> and adds the second regardless.  Particularly silly if the wait
> spans midnight since the syntax of STIMER macro provides no
> way to specify a time past midnight, so it must have been a
> duration.
>
> So it actually waits for 4 seconds rather than the 3 requested.

The problem is that at 17:59:59 when the STIMER is processed we
don't know that a leap second will occur at 18:00.

George Kozakos
z/OS Software Service, Level 2 Supervisor

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