two questions about thread

Kevin other at
Sun Jan 15 09:26:04 EST 2006

The best way to do this is by using a flag or event that the child-threads
monitor each loop (or multiple times per loop if it's a long loop).  If the
flag is set, they exit themselves.

The parent thread only has to set the flag to cause the children to die.


"Bryan Olson" <fakeaddress at> wrote in message
news:g2fyf.888$H71.344 at
> iclinux wrote:
> > a.  how to exit the whole process in a thread?
> > b. when thread doing a infinite loops, how to terminate the process?:
> As others noted, the threading module offers Thread.setDaemon.
> As the doc says: "The entire Python program exits when no active
> non-daemon threads are left."
> Python starts your program with one (non-daemon) thread which
> is sometimes called the "main" thread. I suggest creating all
> other threads as daemons. The process will then exit when the
> main thread exits.
> If some other thread needs to end the process, it does so by
> telling the main thread to exit. For example, we might leave
> the main thread waiting at a lock (or semaphore), and exit if
> the lock is ever released.
>  >     it seems that the follow doesn't work, in my Windows XP:
>  >             thread.start()
>  >             thread.join()
> Is that part of the questions above, or another issue?
> -- 
> --Bryan

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