def fn():
intercept_strand = yield tap.CallFork(intercepter)
yield tap.Cancel(intercept_strand)
recv_strand = yield tap.CallFork(receiver)
# even though this is forked, it doesn't end up hanging
yield tap.Call(broadcaster, (5, ))
# this gets intercepted and never gets injected
yield tap.Join(recv_strand)
def fn():
intercept_strand = yield tap.CallFork(intercepter)
yield tap.Cancel(intercept_strand)
recv_strand = yield tap.CallFork(receiver)
# even though this is forked, it doesn't end up hanging
yield tap.Call(broadcaster, (5, ))
value = yield tap.Join(recv_strand)
assert value == 5 # did *not* get intercepted
return value
def fn():
intercept_strand = yield tap.CallFork(intercepter)
recv_strand = yield tap.CallFork(receiver)
# even though this is forked, it doesn't end up hanging
broadcast_strand = yield tap.CallFork(broadcaster, (5, ))
value = yield tap.Join(recv_strand)
assert value == "real" # got intercepted
yield tap.Join(intercept_strand)
yield tap.Cancel(broadcast_strand)
return value
def acquire(x, to_cancel):
yield tap.Receive(str(x))
release = yield lock.Acquire()
nonlocal a
a += 5
yield tap.Sequence([
tap.Receive(str(x)),
tap.Sequence([
tap.Cancel(to_cancel),
release,
]) if to_cancel is not None else release
])
def fn():
yield q.Put(3)
t1 = yield tap.CallFork(put, (5, ))
t2 = yield tap.CallFork(put, (7, ))
yield tap.Sleep(0)
assert (yield q.Get()) == 3
assert (yield q.Get()) == 5
yield tap.Cancel(t2) # too late
assert (yield q.Get()) == 7
yield tap.Join([t1])
t = yield tap.Fork(q.Get())
yield q.Put(3)
assert (yield tap.Join(t)) == 3
def fn():
yield q.Put(3)
t1 = yield tap.CallFork(put, (5, ))
t2 = yield tap.CallFork(put, (7, ))
t3 = yield tap.CallFork(put, (9, ))
yield tap.Sleep(0)
assert (yield q.Get()) == 3
yield tap.Cancel(t2) # not too late to cancel
assert (yield q.Get()) == 5
assert (yield q.Get()) == 9
yield tap.Join([t1, t3])
t = yield tap.Fork(q.Get())
yield q.Put(3)
assert (yield tap.Join(t)) == 3
def fn():
yield tap.CallFork(acquire)
t = yield tap.CallFork(acquire)
yield tap.CallFork(acquire)
yield tap.Sleep(0)
assert a == 5
yield tap.Cancel(t)
yield tap.Broadcast("unlock")
yield tap.Sleep(0.01)
assert a == 10
yield tap.Broadcast("unlock")
yield tap.Sleep(0.001)
assert a == 10
def fn():
t1 = yield tap.CallFork(acquire, (1, None))
t2 = yield tap.CallFork(acquire, (2, t1))
t3 = yield tap.CallFork(acquire, (3, None))
yield tap.Broadcast("2")
yield tap.Broadcast("1")
yield tap.Sleep(0.001)
assert a == 5
yield tap.Broadcast("3")
yield tap.Broadcast(
"2") # this simultaneously tries to cancel 1 and unlocks
yield tap.Sleep(0.01)
assert a == 10
yield tap.Broadcast("1")
# 1 gets canceled after the acquire, so it's too late to release
yield tap.Sleep(0.001)
assert a == 10
# yield tap.Join([t1, t2, t3])
yield tap.Cancel(t3)
def fn():
t = yield tap.Fork(
tap.Sequence([
tap.CallThread(thread_fn),
tap.CallThread(thread_fn),
]))
yield tap.Sleep(0.01)
assert a == 0
with cv:
cv.notify()
cv.wait()
assert a == 1
# this cancels the second one, but not the first
yield tap.Cancel(t)
with cv:
cv.notify()
cv.wait()
assert a == 2
with cv:
cv.notify()
yield tap.Sleep(0.1)
assert a == 2
def fn():
assert not q.has_work()
t1 = yield tap.CallFork(pop_and_add)
t2 = yield tap.CallFork(pop_and_add)
t3 = yield tap.CallFork(pop_and_add)
yield tap.Sleep(0)
assert a == 0
yield q.Put(3)
assert a == 3
yield tap.Cancel(t2)
yield q.Put(5)
assert a == 8
yield q.Put(5)
assert a == 8
t4 = yield tap.CallFork(pop_and_add)
yield tap.Sleep(0)
assert a == 13
yield tap.Join([t1, t3, t4])
def fn():
task = yield tap.CallFork(wake_and_fork)
yield tap.Receive("wake")
yield tap.Cancel(task)
def fn():
strand = yield tap.CallFork(add_three, (5, ))
yield tap.Broadcast('key')
yield tap.Broadcast('key')
yield tap.Cancel(strand)
def fn():
t = yield tap.CallFork(acquire)
yield tap.Sleep(0.001)
yield tap.Cancel(t)
t = yield tap.CallFork(acquire)
yield tap.Sleep(0.001)