Peter,
The examples in the Marx and Davis book are available on the cbt tape (file
554).
Cliff McNeill
-----Original Message-----
From: IBM Mainframe Assembler List [mailto:[email protected]] On
Behalf Of Farley, Peter x23353
Sent: Monday, February 14, 2011 11:55 AM
To: [email protected]
Subject: Re: Sample code for PC-ss with SRB back to user space?
Thanks Mike and Tom for those references.
Tom, your presentation at Share 106 in Seattle (2006) was certainly
interesting, but quite general. I was looking for something more concrete,
like a working example, a "Hello World" type of thing that demonstrates the
mechanism but doesn't necessarily do anything very useful.
The Marx and Davis book from 1992 (I'm guessing early OS390 days? Don't know
for sure, I was in VM/VSE at that time) might be a good thing to have, but for
a book originally published at $45 retail, the best price out there in
cyberspace is $108 on Amazon. That's a little steep for a text that may or may
not have examples that are applicable to today's hardware. I'll have to see if
any of my local libraries has a copy to check out before I commit to spending
that much.
Thanks again guys.
Peter
> -----Original Message-----
> From: IBM Mainframe Assembler List [mailto:ASSEMBLER-
> [email protected]] On Behalf Of Mike Kerford-Byrnes
> Sent: Monday, February 14, 2011 11:30 AM
> To: [email protected]
> Subject: Re: Sample code for PC-ss with SRB back to user space?
>
> "MVS Power Programming" by Mitchell Marx and Penelope Davis (McGraw Hill
> ISBN 007 040 763 0) has sections on both SRB and Program Call - but they
> are
> considered separately and not treated as a pair in the manner currently
> being discussed here. But this is a pretty good start for anyone who
> might
> like to progress/upgrade this to that level .....
>
> MKB
>
> _____
>
> From: IBM Mainframe Assembler List [mailto:ASSEMBLER-
> [email protected]]
> On Behalf Of Tom Harper
> Sent: 14 February 2011 13:57
> To: [email protected]
> Subject: Re: Sample code for PC-ss with SRB back to user space?
>
> Peter,
>
> I gave a presentation at SHARE sometime back titled "How to Write a
> Commercial Software Program" where I covered a lot of these issues. There
> have been many other presentations at SHARE which covered STARTIO, zHPF,
> sorting, and other topics.
>
> Tom Harper
> Neon Enterprise Software
> Sugar Land, TX
>
> -----Original Message-----
> From: IBM Mainframe Assembler List [mailto:ASSEMBLER-
> [email protected]]
> On Behalf Of Farley, Peter x23353
> Sent: Monday, February 14, 2011 7:47 AM
> To: [email protected]
> Subject: Sample code for PC-ss with SRB back to user space?
>
> The recent discussion of the commanality of vendor code that sets up an
> STC which runs in privileged mode and also supplies a subroutine or API
> for a user address space TCB program to use PC-ss to "call" that STC,
> which then may schedule an SRB to run back in the calling address space
> to accomplish the vendor's purpose brought back a question I have had for
> some time:
>
> Why isn't there any good sample code available showing how to do this? Or
> have I just not looked hard enough to find it?
>
> Such code is certainly expert-level stuff, but as a soi-disant assembler
> expert I would love to have the option of using that tool where it would
> be appropriate. Figuring out all the nuances and pitfalls of this
> technique from scratch seems to me to be a counter-productive use of
> scarce time.
>
> Peter
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