Great ....Thank you all .....


On Wed, Feb 24, 2016 at 8:14 PM, Charles Mills <[email protected]> wrote:

> From the program's point of view the content of the PSA changes, although
> actually the PSA content has stayed the same, the program is just looking
> at a different one.
>
> It's like looking out the window of a train at "the station." You look two
> minutes later and "the station" is different, although actually the station
> has not changed, you are just looking at a different one.
>
> Charles
>
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
> Behalf Of Vernooij, CP (ITOPT1) - KLM
> Sent: Wednesday, February 24, 2016 4:54 AM
> To: [email protected]
> Subject: Re: Prefix save area - confused
>
> 'Doesn't the PSA contents change at that point ?' ==> No, each PSA remains
> the same. The program's PSA-pointer is just set to the PSA of the processor
> it runs on.
>
> 'as the PSA is no longer the same' ==> there is no 'the PSA' there are
> many PSAs. 'The' PSA a program sees, is the PSA of the processor it runs on.
>
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