[Twisted-Python] cReactor fixes

[Andrew Bennetts]

On Sun, Jan 05, 2003 at 02:34:10PM -0800, Brian Warner wrote:
>   Another possibility which might be easier to implement would be to enforce
>   the no-restart restriction, but also create IReactorCore.reset(), and
>   declare that it will return the reactor to the state it had at boot time,
>   allowing .run() to be called on it once again. This method would also
>   remove all DelayedCall events, remove any TCP/UDP sockets or listening
>   ports, delete any systemEventTriggers that were added, and generally get
>   rid of any other state which might have accumulated since startup. We
>   could have the test suite use this to reset the reactor just after each
>   test.

+1

-Andrew.