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Date: Tue, 31 Jul 2012 16:46:08 +0200
From: Laszlo Nagy <gandalf@shopzeus.com>
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Subject: Re: Pass data to a subprocess
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Xref: csiph.com comp.lang.python:26314

 > I think I got it now, if I already just mix the start before another 
add, inside the Process.run it won't see the new data that has been 
added after the start. So this way is perfectly safe only until the 
process is launched, if it's running I need to use some 
multiprocess-aware data structure, is that correct?

Yes. Read this:

http://docs.python.org/library/multiprocessing.html#exchanging-objects-between-processes

You can use Queues and Pipes. Actually, these are basic elements of the 
multiprocessing module and they are well documented. I wonder if you 
read the documentation at all, before posting questions here.