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

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Message-ID: <20070731032521.GD6812@digitasaru.net>
Date:	Mon, 30 Jul 2007 22:25:21 -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 09:16:16PM -0500, Joseph Pingenot wrote:
>> I was trying to use inotify to watch process changes (especially process
>>   termination) by watching /proc/<pid>.
>> Sadly, although I could see something reading various files, nothing
>>   was issued when the process I was watching exited and the directory
>>   went away.
>> Is this intentional, or a bug?
>It's a bug you intend to introduce in your program...  IOW, don't
>do that.

More background, please?

What's the way to check for a process exiting without spinning?

-Joseph

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