to py or not to py ?

Steve Holden steve at
Thu Jun 29 08:46:24 EDT 2006

Tom Plunket wrote:
> Carl J. Van Arsdall wrote:
>>Because of the GIL only one thread can actually run at a time.
> I've recently been wondering about this, since in the work I do, a lot
> of time is spent doing disk I/O.  So if I want the UI to remain
> responsive, I could spawn an IO thread to handle requests, and do a
> pretty simple "just whack new requests onto the queue" without locks
> since I'm guaranteed to not have the IO thread read at the same time
> as the requestor thread?
> ...what exactly constitutes an atomic operation in Python, anyway?
Standard (and excellent) advice to those new to Python: use threading, 
not thread, and have threads communicate using Queue.Queue(s).

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