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July 2003, Week 4

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Subject:
From:
"Leonard S. Berkowitz" <[log in to unmask]>
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Date:
Wed, 23 Jul 2003 10:04:42 -0400
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There is a status returned to a variable in you program's stack, not a JCW. Check the manual for the
parms.
--
Leonard S. Berkowitz
Perot Health Care Systems
(Harvard Pilgrim Health Care account)
voice: 617-509-1212
fax: 617-509-1955
pager: 781-226-2431



                      Peter Smithson
                      <Peter_Smithson@h        To:       [log in to unmask]
                      otmail.com>              cc:
                      Sent by: HP-3000         Subject:  [HP3000-L] CREATEPROCESS and the JCW
                      Systems
                      Discussion
                      <[log in to unmask]
                      TC.EDU>


                      07/23/2003 05:17
                      AM
                      Please respond to
                      Peter Smithson






 Hello,

I'm just trying to understand the exact meaning of the description for
CREATEPROCESS in the MPE manual -

"createstatus :
Returns a value indicating the type of success or
                      failure.  A negative value indicates that the
                      associated message is a warning, an error
                      terminates the intrinsic call, and a warning means
                      the call continues.  Check the job control word
                      (JCW) before continuing.  The following is a list
                      of the possible values returned:"

So the createstatus tells me everything I need to know.  Why do I need
to check the JCW?  What's it going to tell me?

I know the JCW is set to a certain value when a program is aborted by a
user request or system error. Is it just an additional check to make as
not all errors are returned in "createstatus"?

Thanks.

Peter
--
http://www.beluga.freeserve.co.uk

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