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displayabc
V2EX  ›  Python

multiprocessing 怎么保证进程数一直不变?

  •  
  •   displayabc · Oct 13, 2014 · 3500 views
    This topic created in 4257 days ago, the information mentioned may be changed or developed.
    使用multiprocessing起多个进程,我担心有进程会挂掉,怎么防止进程挂掉,或者能检测到有进程挂掉,再起一个。注:fork的方式启动我知道如何检测,但是我想用multiprocessing
    2 replies    2014-10-14 09:03:05 +08:00
    lushl9301
        1
    lushl9301  
       Oct 13, 2014
    main thread 一直loop?检测每个进程?
    mengzhuo
        2
    mengzhuo  
       Oct 14, 2014
    multiprocessing就是用os.fork,只是加了一些管理用的
    https://hg.python.org/cpython/file/d894aa49d5e4/Lib/multiprocessing/popen_fork.py#l70
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