Can Python kill a child process that keeps on running?
I. Myself
No.Spam at Spam.none
Tue May 2 13:00:42 EDT 2006
Steve Holden wrote:
> I. Myself wrote:
>> Serge Orlov wrote:
>>
>>> I. Myself wrote:
>>>
>>>
>>>> Suppose we spawn a child process with Popen. I'm thinking of an
>>>> executable file, like a compiled C program.
>>>> Suppose it is supposed to run for one minute, but it just keeps going
>>>> and going. Does Python have any way to kill it?
>>>>
>>>> This is not hypothetical; I'm doing it now, and it's working pretty
>>>> well, but I would like to be able to handle this run-on condition.
>>>> I'm
>>>> using Windows 2000, but I want my program to be portable to linux.
>>>>
>>>
>>> On linux it's pretty easy to do, just setup alarm signal. On windows
>>> it's not so trivial to the point you cannot do it using python.org
>>> distribution, you will need to poke in low level C API using win32
>>> extensions or ctypes. AFAIK twisted package <http://twistedmatrix.com>
>>> has some code to help you. Also take a look at buildbot sources
>>> <http://buildbot.sf.net> that uses twisted. Buildbot has the same
>>> problem as you have, it needs to kill run away or non-responding
>>> processes.
>>>
>>
>> That is bad news. Thanks anyway; bad news is better than no news.
>>
> Note, however, that ctypes is planned to be a part of the 2.5
> distribution, so while there may not be a platform-independent way to
> achieve your goals you will at leats be able to do so without external
> extensions.
I'm an intermediate Python programmer. Can you explain to me how ctypes
will let me kill a child process?
Thanks,
Mitchell Timin
--
I'm proud of http://ANNEvolve.sourceforge.net. If you want to write software,
or articles, or do testing or research for ANNEvolve, let me know.
Humans may know that my email address is: (but remove the 3 digit number)
zenguy at shaw666 dot ca
More information about the Python-list
mailing list