From: "James Rich" <>
> I'm unsure of the capabilities of *new* RPG programs to take advantage of
> multi-threading.  Multi-threaded apps have ops such as thread_create(),
> thread_lock(), thread_destroy(), etc. (or some variation).  RPG doesn't
> have these ops as far as I know.  Perhaps the compiler can do some fancy
> magic to enable threading but it seems unlikely.

The RPG compiler only builds single threaded modules.  There is a "Thread
Serialize" keyword that makes it safe to call an RPG module from a
multi-threaded application.  I received a note once from a guy who said he
used System APIs within an RPG program to create multiple threads.  Hans
Bolt, and Barbara Morris of the RPG compiler team once said they wouldn't
recommend it.

There doesn't seem to be much demand for multi-threaded RPG.  Did you have
an application in mind?

Nathan M. Andelin

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