On 15.04.17 11:55, Stephen J. Turnbull wrote:
Serhiy Storchaka writes:

 > The first thread just sets the running flag (as in current code). Due to
 > GIL this doesn't need additional synchronization.

Can we assume this lack of additional synchronization for other
implementations?  If not, do we care?

Other implementations should have atomic test-and-set operations for the running flag. Or other ways to prevent a race condition. So yes, we can assume this.


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