how does a queue stop the thread?

Kushal Kumaran kushal.kumaran+python at
Wed Apr 21 10:23:05 CEST 2010

On Wed, Apr 21, 2010 at 1:50 PM, Kushal Kumaran
<kushal.kumaran+python at> wrote:
> On Wed, Apr 21, 2010 at 1:38 PM, kaiix <kvn.hou at> wrote:
>> A simple thread pool example. My question is, since **
>> will loop endless, how does the thread know the time to quit? how does
>> the *queue* notify the thread? is there any shared variables, like a
>> *lock*?
>> When I set daemon false, it stays in the loop, not quit any more.
>> what's the role does the daemon state plays?
> Take a look at the documentation for the threading module here:
>, and the
> discussion on daemon vs non-daemon threads here:
> Basically, as long as at least one non-daemon thread is still running,
> your program will not exit.
>> <snip code>

And I should have read your mail better.  Take a look at the
documentation of the task_done method:


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