From: Alex Riesen <Alexander.Riesen@synopsys.com>
To: Oskar Liljeblad <oskar@osk.mine.nu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: directory notifications lost after fork?
Date: Mon, 11 Mar 2002 11:20:46 +0100 [thread overview]
Message-ID: <20020311112046.A1368@riesen-pc.gr05.synopsys.com> (raw)
In-Reply-To: <20020310210802.GA1695@oskar> <20020311085006.GA1402@oskar>
In-Reply-To: <20020311085006.GA1402@oskar>
On Mon, Mar 11, 2002 at 09:50:06AM +0100, Oskar Liljeblad wrote:
> On Sunday, March 10, 2002 at 22:02, usel wrote:
> > The code snipper demonstrates what I consider a bug in the
> > dnotify facilities in the kernel. After a fork, all registered
> > notifications are lost in the process where they originally
> > where registered (the parent process). [..]
>
> FWIW, as long as you keep the child alive after fork the
> notifications are not lost. Also the same effect when you
> keep the parent(s) alive and decide to receive notification
> in the newly created process instead.
What process are the notifications sent, in this case?
IMHO, only the parent can catch them, as fcntl called in the parent
only.
Anyway, strange effect.
>
> Oskar Liljeblad (oskar@osk.mine.nu)
> -
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next prev parent reply other threads:[~2002-03-11 10:21 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-10 21:08 directory notifications lost after fork? Oskar Liljeblad
2002-03-11 7:41 ` Alex Riesen
2002-03-12 12:19 ` Jamie Lokier
2002-03-11 8:50 ` Oskar Liljeblad
2002-03-11 10:20 ` Alex Riesen [this message]
2002-03-11 10:26 ` Andrea Arcangeli
2002-03-12 1:04 ` Stephen Rothwell
2002-03-12 1:20 ` Andrea Arcangeli
2002-03-12 2:59 ` Stephen Rothwell
2002-03-12 4:01 ` Andrea Arcangeli
[not found] <20020311122701.A9718@riesen-pc.gr05.synopsys.com>
2002-03-11 19:34 ` Alex Riesen
-- strict thread matches above, loose matches on Subject: below --
2002-03-12 1:47 Malte Starostik
2002-03-12 12:55 ` Jamie Lokier
2002-03-12 16:37 ` Daniel Phillips
2002-03-12 17:21 ` Jamie Lokier
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