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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

             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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