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  2. RPG400-L
  3. August 2005

RE: Static and non-static variables in subprocedures

Hi Duane,

<snip>
I think what Kurt is saying he wants is a static variable for the life of the subprocedure no mater which activation group calls it. To do this your subprocedure would need to be in a service program which has it's own named activation group. The service program would then be isolated and the value of the static variable within the subprocedure would be "static" for the life of the service program's activation group. 
</snip>
I think Kurt is alluding to the fact that variables declared as static within subprocedures are not re-initialised if the program returns with *INLR on and is called again. This, I believe, is a result of the program being closed, but not unloaded (it is still active).
The easy way to unload the program (de-activate it) is to end the activation group the program resides within. Of course, putting the program in a *NEW activation group does this implicitely. But this is not what Kurt wants. Kurt wants the static subprocedure variables to re-initialise each time the program is closed and re-called (just as global variables are). - At least I think that's what he wants. 

Kurt,
I don't believe there is a standard way to do this as the variables are only visible within the subprocedure and your prototype is already defined.
The only way I know is to include an additional (optional) parm to the subprocedure call which specifies initialisation. OR, make all parms optional and initialise if you pass nothing. 

Such as:

//call as usual...
callProcAsUsual(parm1 :parm2 :parm3);


//call within *inzsr...
callProcAsUsual(*blanks :*blanks :*blanks :initialise);
OR
callProcAsUsual();

Cheers

Larry Ducie

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