通过多线程启动多进程失败 - V2EX
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tz1006

通过多线程启动多进程失败

  •  
  •   tz1006 Apr 4, 2019 2054 views
    This topic created in 2597 days ago, the information mentioned may be changed or developed.
    我用 concurrent.futures 的 ThreadPoolExecutor 和 ProcessPoolExecutor
    总体路径是,启动一个线程后台循环,当线程满足条件,启动多进程。
    先用 ThreadPoolExecutor 开启一个后台线程循环监视 Queue,当 Queue 中被添加后,在线程中运行 self.Execute()
    self.Execute() 会创建很多进程。
    目前遇到的问题是:
    在‘__main__'条件下,手动运行 self.Execute()一切正常。
    用进程后台运行时,满足条件 self.Execute()执行后,进程被创建,但是一直是启动状态,不结束也不报错。
    请问有解决方案吗?
    3 replies    2019-04-05 17:07:18 +08:00
    shyrock
        1
    shyrock  
       Apr 4, 2019
    你的进程终止条件是什么?
    ebingtel
        2
    ebingtel  
       Apr 4, 2019
    手动执行,有 tty ;后台运行没有 tty ……从 tty 入手看看
    tz1006
        3
    tz1006  
    OP
       Apr 5, 2019
    @shyrock 进程运行完成后全部 return 回来, 用.result()取回。
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