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Date: Sun, 20 Feb 2005 18:27:12 -0500
From: David Schultz <das@FreeBSD.ORG>
To: Igor Shmukler <shmukler@mail.ru>
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cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: vn_fullpath()
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On Sun, Feb 20, 2005, Igor Shmukler wrote:
> Hello,
> 
> I was wondering if anyone has figured a way to make vn_fullpath() reliable?
> 
> Perhaps there is another approach to attacking this problem. Here is what I need
> to accomplish:
> 
> I need to be able to determine dynamic linker, shared libraries or executable
> name for a specific process.

You'd essentially need to write a full version of getcwd(3) in the
kernel.  This would be useful for a number of things, performance
and Linux emulation included.  You might take a look at how libc's
getcwd() works and take it from there.