Re: Service programs

[Booth Martin <booth@xxxxxxxxxxxx>]

Sorry for this really dumb question, but it is something I don't know 
and would like to know.

Lets say this service program includes 42 various subprocedures.  Lets 
say one of our main programs uses this service program because it needs 
subprocedure4 and subprocedure12.  Is there any performance penalty paid 
because we have 40 other unused subprocedures bound into our program? 
Would we get performance improvements if we divided our 42 subprocedures 
 into 5 or even 8 service programs?

Bob Cozzi wrote:
> Thomas,
>
> You can read/write/update files in service programs.
> Service programs are nothing more than a collection of subprocedures and
> fields that are isolated in an independent object for greater access.
> Simply use NOMAIN as a keyword on the Header specification in the source
> members you use to create the service program. Do not use mainline-Calcs in
> the service program source members. Other than that, it is effectively
> similar to writing RPGIV application programs. The only difference is you've
> moved the subprocedure out to a secondary source member and compiled them
> separately.
>
>
> -Bob Cozzi
> www.RPGxTools.com
> RPG xTools - Enjoy programming again.
>
>
> -----Original Message-----
> From: rpg400-l-bounces+cozzi=rpgiv.com@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces+cozzi=rpgiv.com@xxxxxxxxxxxx] On Behalf Of thomas
> Sent: Friday, January 27, 2006 4:47 PM
> To: rpg400-l@xxxxxxxxxxxx
> Subject: Service programs
>
>  does anyone have a simple service program I could look at to start to
> understand them.  A list of rules of what has to happen would help.  Have
> figured out that you cannot read and write files in a SERVICE program. Or at
> least I think that is right. Thomas Burrows
>
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