Cleanly exiting multi thread application on SIGINT

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    Jon> Is the following the most elegant way to exit a multi-threaded
    Jon> application on a Ctrl-C?  I am a complete beginner and would have
    Jon> thought there was some way of doing it without having to use while
    Jon> 1: pass, but have yet to find a way.

I thought there was some sort of wait() method in the threading module, but
I was mistaken.  Maybe:

    while threading.activeCount():
        time.sleep(0.01)

?

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