The ENQ for program management is SYSIEWL not SPFEDIT, but it's similar logic.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List <[email protected]> on behalf of 
Andrew Rowley <[email protected]>
Sent: Wednesday, September 5, 2018 12:16 AM
To: [email protected]
Subject: Re: Zowe for systems programmer ?

On 5/09/2018 2:03 PM, Gord Tomlin wrote:
> Unlike SYSDSN, SPFEDIT is not taken care of by the system. There are
> plenty of IBM and non-IBM programs that do not follow the SPFEDIT ENQ
> conventions, and I don't think any product other than ISPF itself
> would be APARable for failing to do so. Since it is not universal, it
> does not carry the same level of reliability. It's like a gentlemen's
> agreement in a world where not all are gentlemen.
All serialization mechanisms are gentlemen's agreements. The system
doesn't really take care of SYSDSN - you are free to update a dataset
with DISP=SHR if that is what you specify.

Which products request their own ENQs and update PDS members without
SPFEDIT or exclusive SYSDSN? I seem to recall that other components do
use SPFEDIT for member serialization - the linkage editor/binder comes
to mind.

--
Andrew Rowley
Black Hill Software

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