def fast_blacklisted(x, y=None):
# The task should observe a certain computation time such that we can
# ensure that it is not stolen due to the blacklisting. If it is too
# fast, the standard mechansim shouldn't allow stealing
import time
time.sleep(0.01)
def access_limited(val, sem):
import time
with sem:
assert len(protected_resource) == 0
protected_resource.append(val)
# Interact with the DB
time.sleep(0.2)
protected_resource.remove(val)
def __reduce__(self):
import time
time.sleep(self.delay)
return (SlowTransmitData, (self.delay, ))
def increment(self):
time.sleep(0.1)
self.n += 1
return self.n
def __setstate__(self, state):
delay = state
import time
time.sleep(delay)
return SlowDeserialize(delay)
