Re: Call stack inquiry performance - QWVRCSTK vs QMHSNDPM+QMHRCVPM

Should that PGM not be in the call stack, if other (SRV)PGMs pass the name
of that PGM on?

Or:
Why and how would a PGM pass on a PGM name, when it is not in the call
stack?

Or:
You want to check if the PGM is already in the call stack, because the
SRVPGM can call it, if it does not? (Activation Group *NEW, perhaps?)

I do not understand this implementation of this.

To answer your question: ir depends on the size of the call stack. Many
PGMs open, I would use the PGMMSG approach.

With regards,
Carel Teijgeler


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On 6-8-2008 at 13:40 Lim Hock-Chai wrote:

I've a service program that accepts program-name as one of the input

parameters. When this parameter is passed in by the caller, it will

need to determine if the passed in Program Name is actually in the current

call stack. There are two ways that I know of that can

determine if a program is on the call stack, one is using the QWVRCSTK api

to get the current call stack; Another way is use the

QMHSNDPM+QMHRCVPM to get the call stack one level at a time. Does anybody

know which will perform better, or is there another way to

determine if a program is on the current call stack?