Threads

["Miller, James T." <James.T.Miller@JHUAPL.edu>]

Does not seem to be a lot of information around on threads in RB.  So here
are a couple simple question:

1- If I run multiple threads (2 or 3) on a Mac with 4 CPUs, does each thread
execute on its own CPU, i.e., is there a processing boost to using threads
in this case.

2 - What happens if a thread (or several threads) calls a method that is not
in the thread, e.g., a method defined in the window class that initiated the
thread?  In particular, are such methods re-enterant, i.e., if one thread
calls the method while the other is still using the same method, will the
processing in the method execute properly for both calls (seems to in my
testing).



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