On Tue, Jul 4, 2023, 13:08 Paul Gilmartin <
[email protected]> wrote:
> On Tue, 4 Jul 2023 12:22:26 -0500, John McKown wrote:
> >
> >{grin} S0C1 is documented. Basically means "you goofed up". I would like
> >some Snnn-hh which specifically means "attempted I/O on a DCB (or ACB)
> upon
> >which an OPEN was attempted, but failed." It might even be nice to have
> the
> >address initialized to an abend which specifically states "I/O attempted
> on
> >a DCB/ACB which was was never the object of an OPEN."
> >
> Wouldn't the code to do take a whole bunch of expensive storage?
>
I really don't know. Memory today is relatively cheap. It definitely would
have been too expensive back in it OS/360 days.
> What's the content of the access method pointers prior to OPEN?
> "Reserved"?
>
> --
> gil
>
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