From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Greg KH <greg@kroah.com>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Why are not processes HUPped when they open /dev/console?
Date: Wed, 25 Jan 2012 21:45:22 +0000 [thread overview]
Message-ID: <20120125214522.7a49cf39@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <4F207660.500@suse.cz>
On Wed, 25 Jan 2012 22:38:40 +0100
Jiri Slaby <jslaby@suse.cz> wrote:
> Hello,
>
> don't you remember by a chance the reason for this test in __tty_hangup:
> if (filp->f_op->write != tty_write)
>
> The logic there is not to HUP processes that have this tty open via
> /dev/console.
Because if you hang up the console the machine crashes ?
At least that's what used to happen.
Alan
next prev parent reply other threads:[~2012-01-25 21:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-25 21:38 Jiri Slaby
2012-01-25 21:45 ` Alan Cox [this message]
2012-01-26 13:15 ` Jiri Slaby
2012-02-06 19:24 ` Pavel Machek
2012-02-07 9:58 ` Jiri Slaby
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