Re: ILE Concepts -- RPG400-L

"When you have multiple modules bound together to make one service program, do you have to be careful to insert the new procedures into the binder source in the correct position, and always bind the modules on the CRTSRVPGM in the same sequence, and always have separate signatures in the binder source so you don't have to re-bind the callers?"

The bind sequence doesn't matter. When the service program is created the "numbers" (I usually use the term slots) are assigned based on the the sequence in the binder source. ONLY the sequence in the *CURRENT set is used. You can have *PRV with a different signature but the slots are not affected. In other words if ProcX is in slot 5 for *CURRENT it is in slot 5 period - even if it is listed as the third entry in a *PRV set. This is why I don't personally think having multiple signatures is worth the effort.

Jon P.

On Nov 2, 2022, at 6:20 AM, Henderson, Liam via RPG400-L <rpg400-l@xxxxxxxxxxxxxxxxxx> wrote:

Hi,
We based our service programs on Scott's ILE concepts presentation.
We have multiple service programs split by business area, one source member to one service program, each has a static signature, new procedures get added to the end.
One binding directory holds all the *SRVPGMs.

In the presentation it says "A program calls subprocedures in a service program by number" and "Always add new procedures to the end so that the existing numbers won't change"

When you have multiple modules bound together to make one service program, do you have to be careful to insert the new procedures into the binder source in the correct position, and always bind the modules on the CRTSRVPGM in the same sequence, and always have separate signatures in the binder source so you don't have to re-bind the callers?

I've got another question regarding service program deployment into a production environment.
For *PGM changes we use QLIRNMO, so it moves the existing version of the program into QRPLOBJ, so we can install fixes without the user's needing to log off.
We don't hold any source on production machines, just wondered how other people install service programs?

Regards.
Liam.
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