概述
from multiprocessing import Process,Lock
def f(l,i):
l.acquire()
print 'hello world',i
l.release()
if __name__ == '__main__':
lock = Lock()
for num in range(10): # I changed the number of iterations from 10 to 1000...
Process(target=f,args=(lock,num)).start()现在这是我的’TOP’命令的屏幕截图：
88950 Python 0.0 00:00.00 1 0 9 91 1584K 5856K 2320K 1720K 2383M 82441 1 sleeping 1755113321 799 88949 Python 0.0 00:00.00 1 0 9 91 1584K 5856K 2320K 1720K 2383M 82441 1 sleeping 1755113321 798 88948 Python 0.0 00:00.00 1 0 9 91 1580K 5856K 2316K 1716K 2383M 82441 1 sleeping 1755113321 797 88947 Python 0.0 00:00.00 1 0 9 91 1580K 5856K 2316K 1716K 2383M 82441 1 sleeping 1755113321 796 88946 Python 0.0 00:00.00 1 0 9 91 1576K 5856K 2312K 1712K 2383M 82441 1 sleeping 1755113321 795 88945 Python 0.0 00:00.00 1 0 9 91 1576K 5856K 2312K 1712K 2383M 82441 1 sleeping 1755113321 794 88944 Python 0.0 00:00.00 1 0 9 91 1576K 5856K 2312K 1712K 2383M 82441 1 sleeping 1755113321 794 88943 Python 0.0 00:00.00 1 0 9 91 1572K 5856K 2308K 1708K 2383M 82441 1 sleeping 1755113321 792 88942 Python 0.0 00:00.00 1 0 9 91 1568K 5856K 2304K 1708K 2383M 82441 1 sleeping 1755113321 790 88941 Python 0.0 00:00.00 1 0 9 91 1564K 5856K 2300K 1704K 2383M 82441 1 sleeping 1755113321 789 88938 Python 0.0 00:00.00 1 0 9 91 1564K 5856K 2300K 1704K 2383M 82441 1 sleeping 1755113321 788 88936 Python 0.0 00:00.00 1 0 9 91 1576K 5856K 2296K 1716K 2383M 82441 1 sleeping 1755113321 787 88935 Python 0.0 00:00.00 1 0 9 91 1560K 5856K 2296K 1700K 2383M 82441 1 sleeping 1755113321 787 88934 Python 0.0 00:00.00 1 0 9 91 1560K 5856K 2296K 1700K 2383M 82441 1 sleeping 1755113321 786 88933 Python 0.0 00:00.00 1 0 9 91 1556K 5856K 2292K 1696K 2383M 82441 1 sleeping 1755113321 785 88932 Python 0.0 00:00.00 1 0 9 91 1556K 5856K 2292K 1696K 2383M 82441 1 sleeping 1755113321 784 88931 Python 0.0 00:00.00 1 0 9 91 1552K 5856K 2288K 1692K 2383M 82441 1 sleeping 1755113321 783 88930 Python 0.0 00:00.00 1 0 9 91 1612K 5856K 2288K 1752K 2383M 82441 1 sleeping 1755113321 783 88929 Python 0.0 00:00.00 1 0 9 91 1588K 5856K 2288K 1728K 2383M 82441 1 sleeping 1755113321 782 88927 Python 0.0 00:00.00 1 0 9 91 1608K 5856K 2284K 1748K 2383M 82441 1 sleeping 1755113321 781 88926 Python 0.0 00:00.00 1 0 9 91 1548K 5856K 2284K 1688K 2383M 82441 1 sleeping 1755113321 780 88924 Python 0.0 00:00.00 1 0 9 91 1556K 5856K 2276K 1700K 2383M 82441 1 sleeping 1755113321 778 88923 Python 0.0 00:00.00 1 0 9 91 1540K 5856K 2276K 1684K 2383M 82441 1 sleeping 1755113321 777 88922 Python 0.0 00:00.00 1 0 9 91 1540K 5856K 2276K 1684K 2383M 82441 1 sleeping 1755113321 776 88921 Python 0.0 00:00.00 1 0 9 91 1536K 5856K 2272K 1680K 2383M 82441 1 sleeping 1755113321 774 88920 Python 0.0 00:00.00 1 0 9 91 1528K 5856K 2264K 1672K 2383M 82441 1 sleeping 1755113321 771 88919 Python 0.0 00:00.00 1 0 9 91 1528K 5856K 2264K 1672K 2383M 82441 1 sleeping 1755113321 771 88918 Python 0.0 00:00.00 1 0 9 91 1528K 5856K 2264K 1672K 2383M 82441 1 sleeping 1755113321 770 ....
>我不知道如何一次性杀死它们.
ps … | grep python ….杀？
>我需要添加什么样的python代码才能再次避免这种悲惨的情况.谢谢！
http://forums.xkcd.com/viewtopic.php?f=11&t=94726
end daemon processes with multiprocessing module
http://docs.python.org/2/library/multiprocessing.html#the-process-class
http://www.python.org/dev/peps/pep-3143/#correct-daemon-behaviour
总结
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