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  1.  Home
  2. RPG400-L
  3. May 2003

RE: threading in rpg. was RPG and Web.. (was Using OO conceptsinRPG)

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Schadd
Sent: Wednesday, May 21, 2003 9:49 AM
To: RPG programming on the AS400 / iSeries
Subject: Re: threading in rpg. was RPG and Web.. (was Using OO
conceptsinRPG)

>Steve: It is possible to do threading in RPG, I have done it (however it is
>easier to do in C).  There are a few "gotchas".

>1) Never set on LR in a thread.  This will take down the entire job.
>2) Service programs are shared amongst threads and only one thread can
>access a function at a time.
>3) File pointers are shared amongst threads.


what happens when a thread bombs?  Does one thread failing take down all the
others?  Does a failed thread auto release the thread(*serialize) lock that
ILE places on the module?

thanks,

-Steve

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