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From: Al Viro <viro@ftp.linux.org.uk>
To: linux-kernel@vger.kernel.org
Subject: Re: inotify and /proc/<pid>
Date: Tue, 31 Jul 2007 05:01:18 +0100	[thread overview]
Message-ID: <20070731040118.GJ21089@ftp.linux.org.uk> (raw)
In-Reply-To: <20070731035626.GG6812@digitasaru.net>

On Mon, Jul 30, 2007 at 10:56:27PM -0500, Joseph Pingenot wrote:
> >From Al Viro on Tuesday, 31 July, 2007:
> >On Mon, Jul 30, 2007 at 10:40:59PM -0500, Joseph Pingenot wrote:
> >> I'm trying to implement pwait.  It blocks until a specified PID exits,
> >>   and then it exits.
> >er... ptrace(2)?
> 
> Should work for most common usage scenarios, although will suspect that it
>   won't for for processes owned by another user (at least, I hope
>   it wouldn't).
> 
> What is dangerous about inotify on a proc file?

Playing with the lifetime rules, for starters...

  reply	other threads:[~2007-07-31  4:01 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-31  2:16 inotify and /proc/<pid> Joseph Pingenot
2007-07-31  3:17 ` Al Viro
2007-07-31  3:25   ` Joseph Pingenot
2007-07-31  3:31     ` Joseph Pingenot
2007-07-31  3:36       ` Al Viro
2007-07-31  3:40         ` Joseph Pingenot
2007-07-31  3:48           ` Kyle McMartin
2007-07-31  3:50           ` Al Viro
2007-07-31  3:56             ` Joseph Pingenot
2007-07-31  4:01               ` Al Viro [this message]
2007-08-01  1:33               ` Valdis.Kletnieks
2007-07-31  5:48           ` Chris Friesen
2007-07-31  3:31     ` Al Viro
2007-07-31 15:50     ` Ray Lee
2007-07-31 18:31     ` Diego Calleja
2007-08-01  0:41       ` Andrew Morton

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