class Executor:
def __init__(self):
self.lock = Lock()
self.cond = Condition(self.lock)
self.wg = None # TODO sync.WaitGroup
self.finished = False
self.events = []
def Initialize(self):
self.wg.Add(1)
def Add(self, event):
self.lock.Lock()
# TODO defer self.lock.Unlock()
self.events = append(self.events, event)
self.cond.Signal()
def Stop(self):
self.lock.Lock()
if not self.finished:
# TODO defer self.wg.Wait()
pass
# TODO defer self.lock.Unlock()
self.finished = true
self.cond.Broadcast()
def Dispatch(self):
self.lock.Lock()
# TODO defer self.lock.Unlock()
# TODO defer self.wg.Done()
while not self.finished:
if len(self.events) == 0:
self.cond.Wait()
else:
event = self.events[0]
self.events = self.events[1:]
self.lock.Unlock()
event()
self.lock.Lock()
