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From: "Joshua Hudson" <joshudson@gmail.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: wait4/waitpid/waitid oddness
Date: Fri, 7 Apr 2006 11:58:40 -0700	[thread overview]
Message-ID: <bda6d13a0604071158x33080de3ya8016dde59c2d97f@mail.gmail.com> (raw)
In-Reply-To: <m1acaxnt1x.fsf@ebiederm.dsl.xmission.com>

On 4/7/06, Eric W. Biederman <ebiederm@xmission.com> wrote:
> "Albert Cahalan" <acahalan@gmail.com> writes:
>
> > The kernel prohibits:
> >
> > 1. WNOHANG on waitpid/wait4
>
> Not 2.6.17-rc1, and not for a lot of earlier kernels.
> At least not on ingress, and just skimming the code
> I can't see any deeper checks that would prevent this.
>
> > 2. __WALL on waitid
> >
> > Why? I need both at once.
>
> Which kernel is failing, and how?

LKNL 2.6.16.1 has this check. Haven't checked any others.

  reply	other threads:[~2006-04-07 18:58 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-06  3:38 wait4/waitpid/waitid oddness Albert Cahalan
2006-04-07  2:09 ` Joshua Hudson
2006-04-07  5:38   ` Kyle Moffett
2006-04-07  6:40     ` Joshua Hudson
2006-04-07  6:50       ` Neil Brown
2006-04-07  7:09         ` Joshua Hudson
2006-04-07 18:23 ` Eric W. Biederman
2006-04-07 18:58   ` Joshua Hudson [this message]
2006-04-07 19:19     ` Eric W. Biederman
2006-04-07 19:24       ` Joshua Hudson

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