On 2/12/2010 2:04 PM, Charles Mills wrote:
I'm not so desperate for ultra performance that I would use any field that
was likely to not provide a reliable answer under certain circumstances.
It's "product" code that will be shipped to multiple customers, many of
which will have MVS environments under which I will not be able to test,
such as JES3.
Unless you are getting control during step allocation (possible
SMF or similar exit), a zero UCB address is reliable. No need
for the JFCB, as you can test the status bits. A DUMMY won't
have the SYSIN, SYSOUT, or similar flags. I've used this method
for more than forty years with no problems.
But your first post said you didn't want use the TIOT?
Gerhard Postpischil
Bradford, VT
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