Re: Percolating exceptions

[Simon Coulter <shc@xxxxxxxxxxxxxxxxx>]

On 13/12/2008, at 2:37 AM, PAPWORTH Paul wrote:

> What is the best way to percolate an error back up the stack in a
> configuration as follows if I have an error in one of the 3 modules :-
> The throw catch technique as described in the recent article by Jon
> Paris and others ?
>
> Program A Monitor on a Data Quue
>    Program B Called by A
>       Module C
>       Module D  3 modules called by B
>       Module E



First. don't reply to a message when starting a new thread.

Second, set a sensible subject line so your question is useful in the  
archives.

Third, "best" is debatable but for this I would simply send the  
exception to the caller of Program B by using QMHSNDPM with a call  
stack entry of *PGMBDY and a call stack counter of 1 (although in  
fact I'd send to the caller of B's PEP by deriving the PEP name  
because it makes my code more reusable). There should be plenty of  
information on this subject in the archives.

Regards,
Simon Coulter.
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