Re: inotify and /proc/<pid>

[Joseph Pingenot]

>From Joseph Pingenot on Monday, 30 July, 2007:
>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?

I should also specify that the process being waited on is not a
  child process-it's just some other process on the system.

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