Re: ptrace + SVC 144 + R14 + dbx setting register values

[Peter Relson]

>This is because the SVC 144 routine uses register 14 to exit

That is unlikely to be relevant.  Registers used by an SVC routine do not 
necessarily have any effect on the registers of the SVC issure.

Peter Relson
z/OS Core Technology Design


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Re: empty KSDS behavior - why?

[Edward Gould]

> On Jun 1, 2018, at 5:55 PM, Frank Swarbrick  
> wrote:
> 
> Here's something interesting I found in the "VSAM Demystified" Redbook:  
> "Empty KSDSs: RLS allows you to open an empty KSDS without first loading the 
> data set. In other modes (NSR, RLS [sic?]), this process is not possible."  
> (I'm assuming that last usage of "RLS" should be "LSR".)
> 
> Can't find the actual IBM documentation of this, nor can I test it (we don't 
> use RLS), but it seems to add weight to my thought that this should be 
> allowed...
> 
Frank,

Maybe it is a IBM marketing tool to sell RLS, if it is then it fell on deaf 
ears, as I never heard of that feature either, anyone one else?

Ed
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