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Re: Zombie process using pppd



On Wed, Sep 08, 1999 at 09:47:19PM +0200, Laurent PICOULEAU wrote:
> Hi,
> 
> On Wed, 08 Sep, 1999 ? 08:30:35AM -0400, Mark Buda wrote:
> > >>>>> "Alex" == Alex V Toropov <alex@ct.spb.ru> writes:
> > 
> >     Alex> In what situation process becomes Zombie ?
> > 
> > When a process exits, it can return an exit status code to its parent
> > process. The parent process retrieves this exit status code by
> > invoking the wait() system call. A zombie process is a process that
> > has exited, but whose parent hasn't used wait() to get its exit status
> > code yet. It isn't doing anything, it's just there in the list of
> > processes, waiting to be wait()ed for, unable to really die until that
> > happens.
> > 
> > Eventually, even if the neglectful parent process never wait()s for
> > it, it will go away, for this reason: When a parent process exits,
> > init (process id 1) inherits all its child processes. And one of
> > init's less well-known jobs is wait()ing for orphaned zombie
> > processes.
> 
> Is there a way to determine the neglecting parent of a zombi ? Such as to be
> able to kill the parent if it's not a necessary program and letting init
> inherits the zombi process.

try

ps axuf

- gives you a nice process tree

just a thought

Marcin

-- 

--------------------------------
Marcin Owsiany
porridge@pandora.info.bielsko.pl
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