From: "Adam Tlałka" <atlka@pg.gda.pl>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org
Subject: Re: [PATCH 0/0] SIGWINCH problem with terminal apps
Date: Tue, 7 Oct 2008 22:28:57 +0200 [thread overview]
Message-ID: <20081007222857.11f92ca0@merlin.oi.pg.gda.pl> (raw)
In-Reply-To: <20081006231434.7aaa41ee@lxorguk.ukuu.org.uk>
Mon, 6 Oct 2008 23:14:34 +0100 - Alan Cox <alan@lxorguk.ukuu.org.uk>:
> > > show up more. Later 2.6.27-rc has patches that use the termios
> > > lock across TIOCG/SWINSZ and deal with the problem properly.
> >
> > Maybe but what with older versions. Anyway the problem is if mutexes
> > are usable here or not.
>
> Well if mutexes don't work your kernel will eat your computer fairly
> rapidly so I think we may safely conclude that mutex locks work
>
OK, so if this race problem raises only while kill_pgrp() is
used the proposed patch eliminates this problem. Of course we should
change code in all places where pgrp_kill() is used in conjuction
with mutexes and some internal variables are modified.
What do you think about it?
Regards
--
Adam Tlałka mailto:atlka@pg.gda.pl ^v^ ^v^ ^v^
System & Network Administration Group - - - ~~~~~~
Computer Center, Gdańsk University of Technology, Poland
next prev parent reply other threads:[~2008-10-07 20:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-06 12:07 Adam Tlałka
2008-10-06 13:13 ` Alan Cox
2008-10-06 18:28 ` Adam Tlałka
2008-10-06 22:14 ` Alan Cox
2008-10-07 20:28 ` Adam Tlałka [this message]
2008-10-10 1:12 ` [PATCH 0/1] SIGWINCH problem with terminal apps still alive Adam Tlałka
2008-10-10 3:32 ` Adam Tlałka
2008-10-10 9:29 ` Alan Cox
2008-10-10 10:35 ` Adam Tlałka
2008-10-10 11:56 ` Adam Tlałka
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