Jonas Norling added the comment:
@bar.harel: I didn't find a PR, so I'd like to encourage you to submit one :-)
I stumbled onto this bug when the scheduler would cancel the wrong event for me
(Python 3.7, 3.8). Raymond's suggestion 1 sounds reasonable; it would be very
un
Jonas Norling added the comment:
sys.thread_info = sys.thread_info(name='pthread', lock='semaphore',
version='NPTL 2.31') on my system. Looking at the source I think the semaphore
implementation will be used on all modern Linux systems.
In my tests it works as
New submission from Jonas Norling :
The timeout for threading.Lock, threading.Condition, etc, is not using a
monotonic clock — it is affected if the system time (realtime clock) is set.
The attached program can be used to show the problem. It is expected to print
"Took 2.000 s"
