Threading question

[Peter Hansen]

Torsten Marek wrote:

> Peter Hansen schrieb:
>> The other threads are running in, well, other threads, so you
>> won't see any effect on the above thread when they end.  Therefore
>> you can't get much mileage out of a finally clause.  A .join()
>> is definitely the way to go here.

> I found another way to go for now, which works fine for me.
> Since the threading module sets sys.exitfunc, I just do:
> 
> def my_exitfunc():
>     global thread_wait
>     thread_wait()
>     # own stuff follows here...
> 
> thread_wait = sys.exitfunc
> sys.exitfunc = my_exitfunc
> 
> That's maybe not very clean, but it's just a minor script I wrote, so I 
> don't want to waste to much time on it;-)

Good solution.  You're actually taking advantage of the fact that
the main thread does a join() on all non-daemon threads automatically
as it exits.  The source in threading.py for the "main thread"
can make illuminating reading...

-Peter