def fn(): yield tap.CallFork(pop_and_add) yield tap.CallFork(pop_and_add) yield q.Put(3) yield q.Put(5) yield q.Put(5) yield q.Put(8)
def fn(): # fork in apparently wrong order! broadcast_strand = yield tap.CallFork(broadcaster, (5, )) recv_strand = yield tap.CallFork(receiver) yield tap.Join(broadcast_strand) value = yield tap.Join(recv_strand) return value
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 receiver(): value = yield tap.Receive('key') if value < 10: broadcast_strand = yield tap.CallFork(broadcaster, (value + 1, )) receive_strand = yield tap.CallFork(receiver) yield tap.Join([broadcast_strand, receive_strand]) raise Exception("too large") return value
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(): recv_strand = yield tap.CallFork(receiver) # even though this is forked, it doesn't end up hanging yield tap.CallFork(broadcaster, (5, )) value = yield tap.Join(recv_strand) # join again should give the same thing, it's already done value1 = yield tap.Join(recv_strand) assert value1 == value 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 fn(): strand_1 = yield tap.CallFork(receiver, (1, )) strand_2 = yield tap.CallFork(receiver, (2, )) strand_3 = yield tap.CallFork(receiver, (3, )) results = yield tap.Fork([ tap.First([strand_1, strand_2, strand_3]), tap.First([strand_2, strand_1]), ]) yield tap.Call(broadcaster, (5, )) yield tap.Call(broadcaster, (3, )) yield tap.Call(broadcaster, (1, )) value = yield tap.Join(results) return value
def fn(): strand_1 = yield tap.CallFork(receiver, (1, )) strand_2 = yield tap.CallFork(receiver, (2, )) strand_3 = yield tap.CallFork(receiver, (3, )) results = yield tap.Fork([ tap.First([strand_1, strand_2], name="1v2"), tap.First([strand_2, strand_3], name="2v3"), ]) yield tap.Call(broadcaster, (5, )) yield tap.Call(broadcaster, (1, )) yield tap.Call(broadcaster, (3, )) value = yield tap.Join(results, name="joinfork") yield tap.Join(strand_2, name="joincanceled") return value
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(): yield tap.CallFork(waits) yield tap.CallFork(nowaits) yield tap.CallFork(nowaits) yield tap.Sleep(0) assert a == 5 # the waiting strand finally gets to acquire lock, but it is the latest yield tap.Broadcast("msg") yield tap.Sleep(0) assert a == 6 yield tap.Broadcast("unlock") yield tap.Sleep(0.01) assert a == 11 yield tap.Broadcast("unlock") yield tap.Sleep(0.01) assert a == 13
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(): 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(): yield tap.CallFork(broadcaster, (5, )) return
def fn(): recv_strand = yield tap.CallFork(receiver) broadcast_strand = yield tap.CallFork(broadcaster, (5, )) yield tap.Join(broadcast_strand) value = yield tap.Join(recv_strand) return value
def fn(): task = yield tap.CallFork(wake_and_fork) yield tap.Receive("wake") yield tap.Cancel(task)
def fork_fn(): strand = yield tap.CallFork(random, (5, )) x = yield tap.Join(strand) return x
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)