Re: Need help with a service program

*PREV calculates the signature from the list of exports defined in that
section, just like it did when it was *CURRENT. If you change the existing
procedure parameters, the *PRV signature will ALSO CHANGE. This would be
considered BAD.





On Fri, Aug 12, 2016 at 12:13 PM, John R. Smith, Jr. <
smith5646midrange@xxxxxxxxx> wrote:

There are other exports and there are differences between *CURRENT and *PRV
but they are about 10 years old. I only posted the top two exports because
it is the SCGETNVP that is begin called.

So, backing up a step, we use auto generated signatures. Where does *PRV
get the old signatures?

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
dlclark@xxxxxxxxxxxxxxxx
Sent: Friday, August 12, 2016 1:06 PM
To: RPG programming on the IBM i (AS/400 and iSeries)
<rpg400-l@xxxxxxxxxxxx>
Subject: RE: Need help with a service program

"RPG400-L" <rpg400-l-bounces@xxxxxxxxxxxx> wrote on 08/12/2016 01:00:18
PM:

Are you saying every time we make a change that affects the signature
we have to display the current service program to find its signature
and

hard

code it in the source?

Possibly not. We just don't use a generated signature. We code
our
own signature for the *CURRENT level so we always know what to put in the
*PRV levels. It is possible that if you actually had a different number of
exported procedures in your *CURRENT export list that your service program
would retain the generated signature for the *PRV export list. What I
think
is happening to you is that the generated signature for both export lists
match so only one signature is being retained. But, I'm not sure because
we
have never used generated signatures.

Sincerely,

Dave Clark
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