RE: Can an RPG module call another RPG module? -- RPG400-L

Mark,

In your example mod1 doesn't have the *NOMAIN keyword shown.  Couldn't you
also have an entry module that doesn't have the mainline compiler
instructions added (i.e. *NOMAIN)?  The ENTMOD parm on CRTPGM lets you
specify where to enter the program and I believe that becomes the
controlling module.  When it ends the program ends.

I haven't built a program like that in a while so I am a little fuzzy on the
details.

Rick

 -----Original Message-----
From:   MWalter@hanoverwire.com [mailto:MWalter@hanoverwire.com]
Sent:   Friday, December 06, 2002 12:53 PM
To:     rpg400-l@midrange.com
Subject:        Re: Can an RPG module call another RPG module?


Dan,

Modules themselves cannot be executed therefore you must bind all of the
modules you wish to call into a program or service program.

At least one of your modules must have mainline code. That is your Program
Entry Procedure that is specified on the CRTPGM command.

Here is a simplistic example:

Mod1

     C                   callb     Mod2
     C                   callb     mod3
     C                   return

Mod2
     Hnomain
     C     'MODULE2'     dsply

Mod3
     Hnomain
     c     'MODULE3'     dsply

Add three above code snipits into 3 separate source members.
Compile them using the CRTRPGMOD command or Option 15 from PDM.

Then issue the command CRTPGM PGM(mylib/pgm1) module(mylib/mod1 mylib/mod2
mylib/mod3) ENTMOD(mylib/mod1)

The Call pgm1

Hope this helps,


Mark


Mark Walter
Sr. Programmer/Analyst
Hanover Wire Cloth a div of CCX, Inc.
mwalter@hanoverwire.com
http://www.hanoverwire.com
717.637.3795 Ext.3040
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                    Dan
                    <dbcerpg@yahoo.co        To:     rpg400-l@midrange.com
                    m>                       cc:
                    Sent by:                 Subject:     Can an RPG module
call another RPG module?
                    rpg400-l-admin@mi
                    drange.com


                    12/06/2002 01:38
                    PM
                    Please respond to
                    rpg400-l






If so, how do you create the program?  Are there special
considerations?

TIA, Dan

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