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From: Ulrich Drepper <drepper@redhat.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	akpm@linux-foundation.org, torvalds@linux-foundation.org
Subject: Re: [PATCH] alternative to sys_indirect, part 1
Date: Thu, 24 Apr 2008 09:04:47 -0700	[thread overview]
Message-ID: <4810AF9F.5040705@redhat.com> (raw)
In-Reply-To: <20080424162703.1eec01a2@the-village.bc.nu>

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Alan Cox wrote:
> Believe it or not we have the compute capability between us to not
> accidentally reassign values we assigned to one thing to something else.

Once again, this is not about assigned values.  This is about the time
before you get a value assigned.  Not every experiment out there will
have a value assigned before it starts development.

But it really doesn't matter to me. I'm not the one you would introduce
the problem.  Patch is forthcoming.


>> Oh really?  You open a server socket, use fcntl(FD_CLOEXEC), and then
>> accept(). 
> 
> And your behaviour just became OS specific....

Not according to POSIX.  If some OSes deliberately violate POSIX that's
their problem.  All POSIX OSes will have up to today return a new file
descriptor without the close-on-exec flag set at all times.  Just read
the spec.

- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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  reply	other threads:[~2008-04-24 16:05 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-24  4:03 [PATCH] alternative to sys_indirect, part 1 Ulrich Drepper
2008-04-24 10:25 ` Alan Cox
2008-04-24 12:34   ` Michael Kerrisk
     [not found]     ` <517f3f820804240534r3bbbdc52s52a6dfe3f2d14b7f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-04-24 14:49       ` Ulrich Drepper
     [not found]         ` <48109DFB.900-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-04-24 14:42           ` Alan Cox
2008-04-24 15:19             ` Ulrich Drepper
2008-04-24 15:05           ` Michael Kerrisk
2008-04-24 14:18   ` Ulrich Drepper
2008-04-24 14:24     ` Alan Cox
2008-04-24 15:16       ` Ulrich Drepper
2008-04-24 15:03         ` Alan Cox
2008-04-24 15:44           ` Jakub Jelinek
2008-04-24 15:24             ` Alan Cox
2008-04-24 16:00               ` David Miller
2008-04-24 15:38                 ` Alan Cox
2008-04-24 16:09                   ` David Miller
2008-04-24 16:45                   ` Michael Kerrisk
2008-04-26 22:41                     ` dean gaudet
2008-04-24 15:45           ` Ulrich Drepper
2008-04-24 15:27             ` Alan Cox
2008-04-24 16:04               ` Ulrich Drepper [this message]
2008-04-24 15:45                 ` Alan Cox
2008-04-24 16:06           ` Michael Kerrisk
2008-04-24 16:49     ` Evgeniy Polyakov
2008-04-24 15:29   ` Linus Torvalds
2008-04-24 15:39     ` David Miller
2008-04-24 16:03       ` Michael Kerrisk
2008-04-24 15:42         ` Alan Cox
2008-04-24 16:48           ` Michael Kerrisk
2008-04-24 17:20             ` H. Peter Anvin
2008-04-24 17:31               ` Ulrich Drepper
2008-04-24 17:34                 ` H. Peter Anvin
2008-04-24 16:30         ` Linus Torvalds
2008-04-24 16:52           ` Ulrich Drepper
2008-04-24 12:27 ` Michael Kerrisk
2008-04-24 12:46   ` David Collier-Brown

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