To: linux-kernel@vger.kernel.org
From: Stephen Hemminger <shemminger@osdl.org>
Subject: Re: given a struct sock, how to find pid of process that owns it?
Date: Wed, 3 Sep 2003 12:00:45 -0700
Organization: Open Source Development Lab
Message-ID: <20030903120045.69df335c.shemminger@osdl.org>
References: <3F562225.4010609@nortelnetworks.com>
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On Wed, 03 Sep 2003 13:17:25 -0400
Chris Friesen <cfriesen@nortelnetworks.com> wrote:

> 
> I'm working on a small app similar to netstat that only cares about unix 
> sockets.
> 
> I can easily walk /proc/net/unix, but to find the owner of the socket I 
> need to scan /proc, which gets expensive.
> 
> Accordingly, I'd like to extend /proc/net/unix to also dump out the pid 
> of the process that owns the socket.  The only thing is, I can't seem to 
> figure out how to find the pid of the socket owner given a pointer to 
> the socket struct.
> 

There is a N to 1 relationship, you will end up needing the scan.
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