请教 concurrent.futures 多进程之间,如何共享变量? - V2EX
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qazwsxkevin

请教 concurrent.futures 多进程之间,如何共享变量?

  •  
  •   qazwsxkevin Nov 29, 2019 3357 views
    This topic created in 2356 days ago, the information mentioned may be changed or developed.
    求个例子学习,
    multiprocessing 模块的线程和进程之间共享变量数据的例子在百度上很多
    使用 concurrent.futures 的话,例子翻了很多页都没见到有合适的,请教大家能给个例子的传送门学习?
    感谢感谢~~
    3 replies    2019-11-29 23:27:23 +08:00
    wuwukai007
        1
    wuwukai007  
       Nov 29, 2019 via Android
    线程全局变量本身就是共享的,至于函数内变量,可变类型直接传进去就好
    qazwsxkevin
        2
    qazwsxkevin  
    OP
       Nov 29, 2019
    @wuwukai007 明白。。。。


    不是传进变量进进程执行函数。。。
    各个进程都是是同一款执行函数,想让这个函数在执行过程当中传个变量出来(或者说是去对一个全局,其它进程也可以访问的变量进行动态修改),各个进程函数也会在不同的阶段,去读取这个变量去做判断?
    Harlaus
        3
    Harlaus  
       Nov 29, 2019
    task_que = Manager().Queue() # 任务塞队列

    def work(task_que):
    #多进程 worker
    while True:
    size = task_que.qsize()
    if size == 0:
    break
    task = task_que.get()
    就酱
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