标签:style blog color ar for art div sp log
不多解释,预防普通锁不正规的获取与释放
#!/usr/bin/env python # -*- coding: utf-8 -*- import threading import time class MyThread(threading.Thread): def run(self): global num time.sleep(1) if mutex.acquire(1): num += 1 msg = self.name + ‘ set num to ‘ + str(num) print msg mutex.acquire() mutex.release() mutex.release() num = 0 mutex = threading.RLock() def test(): for i in range(5): t = MyThread() t.start() t.join() print ‘ALL DONE‘ if __name__ == ‘__main__‘: test()
标签:style blog color ar for art div sp log
原文地址:http://www.cnblogs.com/aguncn/p/3956662.html