Re: Initialization of static variables

["Joep Beckeringh" <joep.beckeringh@xxxxxxxxxx>]

Joe,

Most obvious solution would be to clean up when you leave. Perform special
calls that make the procedures initialize the static variables when you
leave the program with LR on.

Joep Beckeringh


----- Original Message -----
From: "Joe Pluta" <joepluta@xxxxxxxxxxxxxxxxx>
To: "'RPG programming on the AS400 / iSeries'" <rpg400-l@xxxxxxxxxxxx>
Sent: Tuesday, December 30, 2003 5:39 PM
Subject: Initialization of static variables


> (AGH!  I reposted this because I forgot to change the subject.)
>
>
> I was trying to figure out why static variables in a subprocedure are
> not being reinitialized when I reenter the program.
>
> Being a good boy, I did a little research and found Barbara's answer
> from two years ago, which as always is clear and complete.
> Unfortunately, it's very frustrating, because it's not what I want to
> hear <grin>.
>
> "I think what you're suggesting is that when a _module_'s (not program)
> main procedure returns with LR on, when that main procedure gets called
> again, the subprocedure static should get reinitialized along with the
> other globals in the module.  Maybe that would have been the right
> behaviour, maybe not.  What about calls to the subprocedures between
> calls to the main procedure?  Should the subprocedures be reinitialized
> even before the main procedure gets called again?
>
> As to whether this is right or wrong, maybe it would have been better to
> have different behaviour for subprocedures in a module with a main.
> Maybe the subprocedures' static should have been subject to LR
> reinitialization. Or at least non-exported subprocedures.  But then
> there would have been different behaviour for a subprocedure in a NOMAIN
> module.  Our thinking was that subprocedures are more ILE-ish than
> RPG-ish, and should behave like ILE things, and not be subject to the
> RPG cycle."
>
>
> Okay, I can buy this.  It simply means that anything I want
> reinitialized whenever the program restarts has to be global.  Pluses
> and minuses there, but it's at least a workaround.
>
> I would ask for one thing.  I would love a keyword either on the D spec
> (or even up at the PI level) along the lines of *GLBREINZ that would say
> "reinitialize this variable whenever global reinitialization is done".
> That would allow us the best of both worlds.
>
> Joe