linux-kernel - Re: inotify and /proc/<pid>

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Message-ID: <20070731035626.GG6812@digitasaru.net>
Date:	Mon, 30 Jul 2007 22:56:27 -0500
From:	Joseph Pingenot <trelane@...itasaru.net>
To:	Al Viro <viro@....linux.org.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: inotify and /proc/<pid>

>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?

-- 
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