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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Linus Torvalds <torvalds@osdl.org>, jnf <jnf@innocence-lost.net>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	akpm@osdl.org, drepper@redhat.com
Subject: Re: Add pselect, ppoll system calls.
Date: Tue, 14 Jun 2005 08:56:52 +1000	[thread overview]
Message-ID: <1118703413.5986.100.camel@gaston> (raw)
In-Reply-To: <1118647789.2840.0.camel@localhost.localdomain>

On Mon, 2005-06-13 at 08:29 +0100, David Woodhouse wrote:
> On Mon, 2005-06-13 at 17:23 +1000, Benjamin Herrenschmidt wrote:
> > That is still racy ... if the signal hits between loading that global to
> > to pass it to select and the actual syscall entry ... pretty narrow but
> > still there.
> 
> We don't load it; we pass a pointer to select. It works, but it's hardly
> elegant.

Argh true, blame my own wrapper to select that takes an ulong ..

Who said POSIX was a crap API ? :)

Ben.



  reply	other threads:[~2005-06-13 23:02 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-10 22:58 Add pselect, ppoll system calls David Woodhouse
2005-06-12 22:48 ` Alan Cox
2005-06-13  0:26   ` Linus Torvalds
2005-06-13  1:16     ` jnf
2005-06-13  3:26       ` Linus Torvalds
2005-06-13  6:22         ` Ulrich Drepper
2005-06-13  9:16           ` bert hubert
2005-06-13  9:41             ` David Woodhouse
2005-06-13 11:05               ` Christoph Hellwig
2005-06-13 11:14                 ` Jakub Jelinek
2005-06-13 11:24                   ` David Woodhouse
2005-06-13 15:38                     ` Ulrich Drepper
2005-06-13 16:02                       ` David Woodhouse
2005-06-13 16:10                         ` Ulrich Drepper
2005-06-13 16:29                           ` David Woodhouse
2005-06-13 16:31                             ` Ulrich Drepper
2005-06-13 21:58                               ` David Woodhouse
2005-06-13 22:01                                 ` Ulrich Drepper
2005-06-13 16:36                             ` Jakub Jelinek
2005-06-15 11:36                       ` David Woodhouse
2005-08-05 10:42                         ` pselect() modifying timeout Michael Kerrisk
2005-08-05 14:50                           ` Ulrich Drepper
2005-08-05 20:08                             ` Michael Kerrisk
2005-08-08 11:10                           ` Alan Cox
2005-08-05 11:58                         ` Add pselect, ppoll system calls Michael Kerrisk
2005-08-05 12:49                           ` Michael Kerrisk
2005-08-25  0:04                             ` David Woodhouse
2005-08-25  0:34                               ` Ulrich Drepper
2005-08-26  6:46                               ` Michael Kerrisk
2005-06-13 15:35                 ` Ulrich Drepper
2005-06-13  7:23         ` Benjamin Herrenschmidt
2005-06-13  7:29           ` David Woodhouse
2005-06-13 22:56             ` Benjamin Herrenschmidt [this message]
2005-06-13 11:15     ` Alan Cox
2005-06-13 11:27       ` David Woodhouse
2005-06-13 15:40       ` Ulrich Drepper
  -- strict thread matches above, loose matches on Subject: below --
2005-06-13 19:38 Mattias Engdegård
2005-06-13 19:57 ` Chris Friesen
2005-06-13 20:08   ` Mattias Engdegård
2005-06-13 20:23     ` Valdis.Kletnieks
2005-06-14 14:07       ` Mattias Engdegård
2005-06-14 14:16         ` Bernd Petrovitsch
2005-06-14 14:42           ` Mattias Engdegård
2005-06-14 14:54             ` Bernd Petrovitsch
2005-06-14 15:27         ` Valdis.Kletnieks

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