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Groups > comp.lang.python > #2882

Re: How to get a PID of a child process from a process openden with Popen()

References <d405cb62-f0e7-4db8-a2d7-41fc800a3ab9@glegroupsg2000goo.googlegroups.com> <pan.2011.04.08.19.28.06.47000@nowhere.com>
Date 2011-04-09 08:35 +1000
Subject Re: How to get a PID of a child process from a process openden with Popen()
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.166.1302302125.9059.python-list@python.org> (permalink)

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On Sat, Apr 9, 2011 at 5:28 AM, Nobody <nobody@nowhere.com> wrote:
> There isn't a robust solution to the OP's problem. It's typically
> impossible to determine whether one process is an ancestor of another if
> any of the intermediate processes have terminated.

Upstart and gdb can both detect forks and follow the child. But I
think that's getting into some serious esoteria that's unlikely to be
of much practical use here.

Chris Angelico

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Thread

Re: How to get a PID of a child process from a process openden with Popen() Miki Tebeka <miki.tebeka@gmail.com> - 2011-04-08 07:43 -0700
  Re: How to get a PID of a child process from a process openden with Popen() Nobody <nobody@nowhere.com> - 2011-04-08 20:28 +0100
    Re: How to get a PID of a child process from a process openden with Popen() Chris Angelico <rosuav@gmail.com> - 2011-04-09 08:35 +1000

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