def main():
t1 = threading.Thread(target=task1)
t2 = threading.Thread(target=task2)
t1.start()
t2.start()
t1.join()
t2.join()
def main():
t1 = threading.Thread(target=task1)
t2 = threading.Thread(target=task2)
t1.start()
t2.start()
t1.join()
t2.join()
print(global_dict)
def validate_todo():
global run_spinner
global URL_todo
global threads
URLs_valid = set()
print('Validating URLs ', end='')
#Spinner thread
sp = threading.Thread(target=spinner_print)
sp.start()
#URL threads
pool = ThreadPool(threads)
responses = pool.map(request_url, URL_todo)
#Close pools
pool.close()
pool.join()
run_spinner = False
sp.join()
print('Done')
for url, response in zip(URL_todo, responses):
if (response != -1):
URLs_valid.add(url)
return (URLs_valid)
def main():
p_list = [threading.Thread(target=test, args=(i, )) for i in range(5)]
for i in p_list:
i.start()
for i in p_list:
i.join()
print(num) # 应该是500000，发生了数据混乱，结果少了很多
def main():
task = ShutdownTask()
t = threading.Thread(target=task.run)
t.start()
task.terminate() # 结束线程
t.join()
print("over")
def main():
lock = Lock()
p_list = [threading.Thread(target=test, args=(i, lock)) for i in range(5)]
for i in p_list:
i.start()
for i in p_list:
i.join()
print(num)
def main():
t_list = [threading.Thread(target=shopping, args=(i,)) for i in range(1000)]
print("准备开抢ing")
for t in t_list:
t.start()
for t in t_list:
t.join()
print(f"剩余库存{count}")
def main():
resource = 5 # 5个筷子，5个哲学家
locks = [threading.Lock() for i in range(resource)] # 几个资源几个锁
# 抢左手筷子（locks[i]）和右手的筷子（locks[(i + 1) % resource]）
# 举个例子更清楚：i=0 ==> 0,1；i=4 ==> 4,0
tasks = [
threading.Thread(target=eat,
args=(locks[i], locks[(i + 1) % resource]))
for i in range(resource)
]
for t in tasks:
t.start()
for t in tasks:
t.join()
def main():
queue = Queue()
# 开启生产消费者线程任务
t_list = [
threading.Thread(target=func, args=(queue, ))
for func in (producer, consumer)
]
# 启动两个线程
for t in t_list:
# 设置后台线程，就算是死循环当主线程退出的时候也会退出的
t.setDaemon(True) # 进程是daemon属性，t.daemon=True
t.start()
# 等待所有任务完成
queue.join() # 你可以把这句话注释掉看输出
print(f"当前队列未完成的数量：{queue.unfinished_tasks}")
def start(self):
self.__terminated_event = Event() # 为Join服务
t = threading.Thread(target=self.__templet)
t.setDaemon(True) # 设置为守护线程
t.start()
token_writers = []
for _, name, sym, addr in token_list[:]: # for each
filename = "./andreas_daily_data/" + rm_inv_filename(
name) + "-" + rm_inv_filename(sym) + ".csv"
if os.path.isfile(filename):
pass
else:
# making new file
with open(filename, 'w', newline="") as f:
writer = csv.DictWriter(f,
fieldnames=[
'date', 'total_tx', 'total_gas',
'gw_gasprice', 'gw_mean_gasprice'
])
writer.writeheader()
start_date = datetime.datetime(2018, 10, 1)
# for i in list(range(273))[:]: # go backwards in time
dates = [start_date + datetime.timedelta(days=-1 * i) for i in range(1)]
fix_start = functools.partial(write_token_data, start_date)
procs = []
for date in dates:
fix_date = functools.partial(fix_start, date)
t = threading.Thread(target=fix_date, args=(new_lists, ))
procs.append(t)
for proc in procs:
proc.start()
for proc in procs:
proc.join()
from multiprocessing.dummy import threading
from socketserver import TCPServer, BaseRequestHandler
class MyHandler(BaseRequestHandler):
def handle(self):
print(f"[来自{self.client_address}的消息：]\n")
data = self.request.recv(2048)
if data:
print(data.decode("utf-8"))
self.request.send(
"HTTP/1.1 200 ok\r\n\r\n<h1>TCP Server</h1>".encode("utf-8"))
if __name__ == "__main__":
with TCPServer(('', 8080), MyHandler) as server:
for _ in range(10): # 指定线程数
t = threading.Thread(target=server.serve_forever)
t.setDaemon(True)
t.start()
server.serve_forever()
def createthread(self, args=()):
for i in xrange(self.threadNum):
thread = th.Thread(target=self.crawl, args=args)
self.threadList.append(thread)
def main():
# t_list = [Process(target=test, args=(i, )) for i in range(1000)]
t_list = [threading.Thread(target=test, args=(i, )) for i in range(1000)]
for t in t_list:
t.start()
def main():
t = threading.Thread(target=sleep, args=(100, ))
t.start()
t.join()
print("over")