linux-kernel - Re: [PATCH] Introduce O

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Message-ID: <Pine.LNX.4.64.0705311144290.30485@alien.or.mcafeemobile.com>
Date:	Thu, 31 May 2007 11:46:31 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Ulrich Drepper <drepper@...hat.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] Introduce O_CLOEXEC (take >2)

On Thu, 31 May 2007, Ulrich Drepper wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Davide Libenzi wrote:
> > Isn't this better be a global process flag? Default should be, for legacy
> > reasons,
> 
> No.  Policies are always wrong since it means code that cannot change
> the policy (e.g, all runtime libraries) have no access to the
> functionality.  I cannot set the policy to default to close-on-exit in
> glibc all the while the application assumes this is not the case.

I was talking for a broader usage, not only glibc centric. Most ppl 
writing MT+exec apps wants all but (eventually) and handfull of files 
leaking across the exec boundary.



- Davide


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