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From: Borislav Petkov <bp@alien8.de>
To: bbi5291 <bbi5291@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Does init start with any open files?
Date: Tue, 25 Dec 2012 12:58:44 +0100	[thread overview]
Message-ID: <20121225115844.GG7692@liondog.tnic> (raw)
In-Reply-To: <CAMmfjbNmN0pPXr-HY7qzK52YpwoSU76q1Puog951X7h099XHBA@mail.gmail.com>

First of all,

please do not top-post. You can search the net for why top-posting is
discouraged.

On Tue, Dec 25, 2012 at 06:25:11AM -0500, bbi5291 wrote:
> Well, that can't be right---I grepped the kernel source for "initctl"
> and got no results.

That's because it is a named pipe.

> Besides, if you're running a shell, then init has already had time
> to open and close whatever file descriptors it wants to. What I want
> to know is whether init has any open file descriptors, at, say, the
> moment its main() starts executing.

You probably want to stare at init/main.c:kernel_init() and what it
calls, and then download the sources of the init executable which is run
on your distro, whip up a text editor and start staring at them.

HTH.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

  reply	other threads:[~2012-12-25 11:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-25  7:38 Does init start with any open files? bbi5291
2012-12-25 11:17 ` Borislav Petkov
2012-12-25 11:25   ` bbi5291
2012-12-25 11:58     ` Borislav Petkov [this message]
2012-12-25 13:38 ` Miquel van Smoorenburg
2012-12-25 21:40 ` Rob Landley

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