Hi Tom Does it work for windows? I use ampoule instead to manage multiple process.
Regards gelin yan On Sat, Jan 21, 2012 at 12:09 AM, Nicolas Toper <nto...@gmail.com> wrote: > Hi Tom, > > How do you pass data between the parent and its children with > multiprocessing? It worked fine with Twisted in debug but never in prod :( > > Best > Nicolas > > > On Wed, Jan 18, 2012 at 6:39 PM, Tom Sheffler <tom.sheff...@gmail.com>wrote: > >> We are using Py2.6's multiprocessing with Twisted and things are working >> nicely. I thought I'd pass on something that seems to work pretty well. >> Comments welcome. >> >> I am using multiprocessing to spawn long-running worker processes as >> children of Twisted. When Twisted is killed, I want the children to be >> unceremoniously killed as well. I looked into signal handlers, but >> creating a service that kills the child processes ended up being simpler >> and is working well with twistd daemonization. >> >> class MultiprocessingStopService(Service): >> >> def stopService(self): >> import multiprocessing >> for p in multiprocessing.active_children(): >> p.terminate() >> Service.stopService(self) >> >> and in my main service maker: >> >> s = MultiService() >> stopper = MultiprocessingStopService() >> stopper.setServiceParent(s) >> >> Perhaps this will be helpful to someone. >> >> -T >> >> >> _______________________________________________ >> Twisted-Python mailing list >> Twisted-Python@twistedmatrix.com >> http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python >> >> > > _______________________________________________ > Twisted-Python mailing list > Twisted-Python@twistedmatrix.com > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python > >
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