From: "Lluís Batlle i Rossell" <viric@viric.name>
To: Shea Levy <shea@shealevy.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Hang opening a pipe written to by a child, with SIGCHLD
Date: Mon, 2 Apr 2012 22:20:02 +0200 [thread overview]
Message-ID: <20120402202002.GD3029@vicerveza.homeunix.net> (raw)
In-Reply-To: <20120402185057.GB3029@vicerveza.homeunix.net>
On Mon, Apr 02, 2012 at 08:50:57PM +0200, Lluís Batlle i Rossell wrote:
> On Mon, Apr 02, 2012 at 10:49:10AM -0400, Shea Levy wrote:
> > On 04/02/2012 10:46 AM, Lluís Batlle i Rossell wrote:
> > >Can anyone reproduce this?
> >
> > I've reproduced this on my system as well (3.3). No idea about cause though.
> >
>
> Thank you Shea,
All clear. I had a race condition; sorry for the noise. Proper synchronization
through close() in the child and read() = 0 in the parent fixes all.
next prev parent reply other threads:[~2012-04-02 20:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-02 14:46 Hang opening a pipe written to by a child, with SIGCHLD Lluís Batlle i Rossell
2012-04-02 14:49 ` Shea Levy
2012-04-02 18:50 ` Lluís Batlle i Rossell
2012-04-02 20:20 ` Lluís Batlle i Rossell [this message]
[not found] <20120409120326.f0ce7a94.akpm@linux-foundation.org>
2012-04-10 22:55 ` Oleg Nesterov
2012-04-10 23:12 ` Oleg Nesterov
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