Python 进程线程之间通信方式(2.1,共享数据实现进程之间通信)

Python 进程线程之间通信方式(2.1,共享数据实现进程之间通信)

复习补充内容

#!/usr/bin/env python
# -*- coding:utf-8 -*-

# Author:xp
# blog_url: http://blog.csdn.net/wuxingpu5/article/details/71209731
from multiprocessing import Manager, Process, Lock

def work(d, mutex):
with mutex:
d['count'] -= 1
# mutex.release()

if __name__ == '__main__':
mutex = Lock()
m = Manager()
d = m.dict({'count': 100})
p_l = []
for i in range(100):
p = Process(target=work, args=(d,mutex))
p_l.append(p)
p.start()

for p in p_l:
p.join()
print('主线程:', d)