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On 2/28/19, 10:44 AM, Debbie Panco wrote:
What is a service program?
You've already received at least two excellent answers; here's another
answer:
A service program is a variant on a normal ILE bound program, containing
"library functions and procedures" that can be called by other ILE bound
programs and service programs. It is not executable on its own, although
its procedures and functions can, as I recall, be tied to SQL as stored
procedures.
It is roughly the ILE equivalent to a Windows DLL, or an Amiga shared
library.
Back in the pre-ILE days, one could achieve substantially (if rather
crudely) the same result by creating a program whose main entry point
expected an opcode among its parameters; this opcode would then select
the routine to be executed.
If you do a DSPPGM on an ILE program, page 4 will show the service
programs it calls.
--
James H. H. Lampert
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