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OK, general question - no real need to do this but I'm just interested in
knowing the answer:
We all know RPG is not a mutlti-threaded language, but would it be
reasonable in RPG to use pthread_create() to create new threads and use
pthread_mutex_lock() and pthread_mutex_unlock() to protect critical code? I
know we can use spawn and BCI jobs, but can we create a pthread and call a
RPG (sub)procedure in it? I'm guessing spawn doesn't really create a POSIX
thread and uses a BCI job instead. Or is it all the same?
A follow-on question would be if we can't create threads in RPG using
pthread_create(), can we still use mutexes in RPG code that is called from a
multi-threaded language? I know further support will be provided in the next
OS release so we don't have to serialize the threads when calling RPG from
java but I was wondering if we could roll-our-own 'very limited'
multi-threaded support using mutexes.
Your thoughts on this would be most welcome.
Cheers
Larry Ducie
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