Thanks! It now works!
On Saturday, 19 January 2013 13:05:07 UTC+8, Chris Angelico wrote:
> On Sat, Jan 19, 2013 at 3:50 PM, Cen Wang wrote:
>
> > Hi, when I use multiprocessing.Process in this way:
>
> >
>
> > from multiprocessing import Process
>
> >
>
> > class MyProcess(Process):
>
> >
>
> > def __init__(self):
>
> > Process.__init__(self)
>
> >
>
> > def run(self):
>
> > print 'x'
>
> >
>
> > p = MyProcess()
>
> > p.start()
>
> >
>
> > It just keeps printing 'x' on my command prompt and does not end. But I
> > think MyProcess should print an 'x' and then terminate. I don't why this is
> > happening. I'm using Win7 64 bit, Python 2.7.3. Any idea? Thanks in advance.
>
>
>
> Multiprocessing on Windows requires that your module be importable. So
>
> it imports your main module, which instantiates another MyProcess,
>
> starts it, rinse and repeat. You'll need to protect your main routine
>
> code:
>
>
>
> if __name__=="__main__":
>
> p = MyProcess()
>
> p.start()
>
>
>
> ChrisA
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