day 13 通过Queue实现多进程简单通信
Aprilhui opened this issue · comments
Harvey Specter commented
from multiprocessing import Process,Queue,set_start_method
from time import sleep
counter = 0
def sub_task(string,q):
a = q.get()
sleep(0.01)
while a < 10:
if q.empty():
q.put(a+1)
sleep(0.01)
print(string, end = '', flush=True)
a = q.get()
if q.empty():
q.put(a+1)
sleep(0.1)
return
def main():
#mac os 上运行会有错误
set_start_method('fork')
q = Queue()
q.put(0)
p1 = Process(target=sub_task,args=('ping',q))
p2 = Process(target=sub_task,args=('pong',q))
p1.start()
p2.start()
if __name__ == '__main__':
main()
tomato-knight commented
我昨天在mac中也遇到了这个error 看来还真的会区分系统