RE: Using CALLB with a Service Program

That is not the case. My understanding of it is that modules are copied
into program at compile time but service progroms are not. 
All the modules/procedures within a service program are activated within
your job the first time you call a module/procedure within that service
program, so the first call should be sluggush, but any remaining calls
should be fast,fast,fast!

-----Original Message-----
From: Joe Teff [mailto:jteff19@idt.net]
Sent: Friday, June 04, 1999 2:08 PM
To: Midrange Dot Com
Subject: Using CALLB with a Service Program


I have always understood that a CALLB was a 'bind by copy'
where a copy of all the modules involved were copied into a
program. A service program may contain multiple modules,
but all code in them would be procedures. As I'm getting into
coding cgi-bin in RPG/ILE, I would use the following CALLB
statements to first read the input fields from the form to get
a string with all of the data and then convert them to fields
within my program:

   C              CALLB    'QtmhRdStin'       PARMS1
   C              CALLB    'QtmhCvtDb'        PARMS2

PARMS1 and PARMS2 refer to the appropriate parameter
list for each call. In order to compile my program, I need to name
QTCP/QTMHCGI as a service program. I do not understand
how this works. Are QtmhRdStin and QtmhCvtDb modules or
procedures or what? They were not copied into my program, so
why would CALLB be used?

Thanks,   Joe Teff

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