The point is that while lookup only involves a chain, nothing in the documentation even hints that validation only involves the chain for the current TCB.
________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Attila Fogarasi <[email protected]> Sent: Wednesday, April 12, 2023 7:42 PM To: [email protected] Subject: Re: Specifhing the ENVBLOCK (was: Just PDSE) Separate chains per TCB, so linear chain within TCB but no correlation between TCBs. Programs that use conflicting or incompatible environments across multiple TCBs are on their own :) On Mon, Apr 10, 2023 at 10:54 PM Seymour J Metz <[email protected]> wrote: > "However, separate chains within a single address space are independent." > doesn't sound like a single chain. > > ________________________________________ > From: IBM Mainframe Discussion List <[email protected]> on behalf > of Paul Gilmartin <[email protected]> > Sent: Sunday, April 9, 2023 5:16 PM > To: [email protected] > Subject: Re: Specifhing the ENVBLOCK (was: Just PDSE) > > On Sun, 9 Apr 2023 20:41:33 +0000, Seymour J Metz wrote: > > >Curse you, OCO! > > > >I suspect that validating a potential ENVB address requires running a > tree rather than just a list. > > > < > https://www.ibm.com/docs/en/zos/2.5.0?topic=environments-chains-how-are-located > > > shows only linear chains. So there can't be other kids of trees. > > -- > gil > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
