JZOS is the perfect example of the genius of simplicity. I can remember
the JRIO monstrosity with all the silly OO abstractions to do something
as simple as file I/O. JZOS ZFile was a breath of fresh air. The fact
that the JNI code is offloaded to a zIIP is extra goodness.
On 30/06/2022 10:55 pm, Kirk Wolf wrote:
"dubbing" basically means that a TCB gets assigned a z/OS UNIX pid. If you
run z/OS Java under a batch address space (like with the JZOS batch launcher), then
dubbing will occur since the JVM is written in C and uses z/OS Unix services. Actually
in this case it would be the JZOS batch launcher program that would be dubbed since it
uses z/OS Unix services itself prior to invoking the JVM.
Kirk Wolf
Dovetailed Technologies, LLC
http://coztoolkit.com
Note: Our website and domain name have changed from dovetail.com to
coztoolkit.com
On Thu, Jun 30, 2022, at 8:45 AM, Paul Gilmartin wrote:
On Thu, 30 Jun 2022 10:47:59 +0000, Seymour J Metz wrote:
I believe that Java in z/OS requires dubbing It's also available in Linux. Off
the mainframe, it's also available for many PC and server systems.
Why is "requires dubbing" a thing?
--
gil
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