RE: Memory control

> >I would NOT expect that doing so would affect
> >anything outside my job, or even outside my program's data pages.
>
> Time to check your expectations. You can most definitely effect things
> outside your programs data pages -- quite easily. Given the segmented
> nature of OS400 memory I don't know that you'd get to another jobs
> memory before you hit something like a guard page. But if you have the
> pointer, you can most definitely effect something in another jobs
> memory.

If you get the pointer.  Is that a big IF or a little if?<g>.  Assuming I
don't have a collaborating program in another job, how would a I get a
pointer to the other jobs memory pages?

> >I notice in the V5R1 memo to users it says...
>
> My understanding it that most of that "protection" comes from the entire
> system/user state/domain thing. Once you've jumped past that it gets
> interesting.

And how easy is that (getting into the system state/domain)?

> >I guess I consider languages that
> >are not dependent upon the machine architecture to be HLL's.
> >Can you run MI on a PC?
>
> Guess RPG isn't a HLL? Can you run RPG on a PC?

Sure.  There are several RPG compilers for the PC, including VA RPG provided
by IBM.

Peter Dow
Dow Software Services, Inc.
www.dowsoftware.com
909 793-9050 voice
909 793-4480 fax

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