linux-kernel - Re: [PATCH 1/2] avoid OPEN_MAX in SCM_MAX

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Message-Id: <A641066C-5E6B-459E-8244-87ECAB378583@seehuhn.de>
Date:	Wed, 14 Mar 2007 09:45:09 +0000
From:	Jochen Voß <voss@...huhn.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Roland McGrath <roland@...hat.com>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] avoid OPEN_MAX in SCM_MAX_FD

Hi,

On 14 Mar 2007, at 01:15, Linus Torvalds wrote:
> On Tue, 13 Mar 2007, Roland McGrath wrote:
>> Ok, fine.  But PATH_MAX is a real constant that has some meaning  
>> in the
>> kernel.  It's perfectly correct to use PATH_MAX as a constant on a  
>> system
>> like Linux that defines it and means what it says.  Conversely,  
>> OPEN_MAX
>> has no useful relationship with anything the kernel is doing at all.
>
> Sure. I'm just saying that some people may use OPEN_MAX the way I know
> people use PATH_MAX - whether it's what you're supposed to or not.

To contribute a data point here: searching for the regular expression

     \[\ *OPEN_MAX\ *\]

on google code search [1] gives 25 hits for me.  Replacing OPEN_MAX  
with PATH_MAX results in "about 19,700" hits.

[1] http://www.google.com/codesearch?hl=en&q=+%5C%5B%5C+*OPEN_MAX%5C+* 
%5C%5D&start=20&sa=N

I hope this helps,
Jochen
--
http://seehuhn.de/


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