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  • python join()阻塞的用法

    join()阻塞的用法,用来检测线程有没有完全执行完毕

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

    def sayHi(n):
      time.sleep(1)
      print 'Hi this is thread %s' %n

    res_list = []
    for i in range(20):
      res_list.append(threading.Thread(target = sayHi, args = (i,)))

    for i in res_list:
      i.start()

    #join阻塞的用法,用来检测线程完全执行完毕,如果线程没有执行完,会一直堵塞在这里,不会执行print ‘the last line!’
    for i in res_list:
      i.join()

    print 'the last line!'

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  • 原文地址:https://www.cnblogs.com/i1991/p/6281774.html
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