From: Manfred Spraul <manfred@colorfullife.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-kernel@vger.kernel.org, "Agarwal,
Lomesh" <lomesh.agarwal@intel.com>,
Nigel Cunningham <nigel@nigel.suspend2.net>
Subject: RE: which signal is sent to freeze process?
Date: Mon, 23 Jul 2007 21:52:24 +0200 [thread overview]
Message-ID: <46A506F8.2020206@colorfullife.com> (raw)
Rafael wrote:
> On Monday, 23 July 2007 20:38, Agarwal, Lomesh wrote:
> > The other problem I am facing that read from socket returns with ENODATA
> > when resuming. any ideas?
>
> It's of similar kind: the system call checks signal_pending(current) and exit
> with an error if that's true.
>
> Well, I'm afraid we can't place try_to_freeze() in every system call that
> does something like that ...
>
I don't understand why the poll() system call returns to user space.
poll() uses ERESTARTNOHAND, thus it should not return to user space.
Any ideas why ERESTARTNOHAND doesn't work?
--
Manfred
next reply other threads:[~2007-07-23 20:25 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-23 19:52 Manfred Spraul [this message]
2007-07-23 20:11 ` which signal is sent to freeze process? Rafael J. Wysocki
2007-07-23 20:09 ` Manfred Spraul
2007-07-24 18:48 ` Manfred Spraul
2007-07-25 19:19 ` Rafael J. Wysocki
2007-07-26 21:12 ` Agarwal, Lomesh
2007-07-31 7:55 ` Pavel Machek
-- strict thread matches above, loose matches on Subject: below --
2007-07-18 23:42 Agarwal, Lomesh
2007-07-19 2:18 ` Nigel Cunningham
2007-07-19 4:09 ` Agarwal, Lomesh
2007-07-19 4:59 ` Nigel Cunningham
2007-07-19 21:06 ` Agarwal, Lomesh
2007-07-19 22:02 ` Rafael J. Wysocki
2007-07-19 22:19 ` Nigel Cunningham
2007-07-19 23:22 ` Agarwal, Lomesh
2007-07-20 11:24 ` Rafael J. Wysocki
2007-07-20 18:07 ` Agarwal, Lomesh
2007-07-20 22:10 ` Rafael J. Wysocki
2007-07-23 18:38 ` Agarwal, Lomesh
2007-07-23 19:25 ` Rafael J. Wysocki
2007-07-23 19:31 ` Agarwal, Lomesh
2007-07-24 16:54 ` Pavel Machek
2007-07-23 20:57 ` Agarwal, Lomesh
2007-07-23 21:50 ` Rafael J. Wysocki
2007-07-23 22:18 ` Agarwal, Lomesh
2007-07-24 9:44 ` Rafael J. Wysocki
2007-07-19 22:02 ` Rafael J. Wysocki
2007-07-25 13:41 ` Pavel Machek
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