That is an awesome answer... Brought a noncommittal smile to my face.

Rob

On Fri, Oct 15, 2021, 8:28 AM Peter Relson <[email protected]> wrote:

> > As a matter of interest, what typically happens on the SIGP'ed to
> processor
> > when a SIGP is issued? I assume some kind of routine runs.
>
> In the simple case, what happens is that an external interrupt occurs on
> that processor.
> What happens after that is up to the OS, typically, yes "some kind of
> routine" runs to deal with the specific external interrupt.
>
> Peter Relson
> z/OS Core Technology Design
>
>
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