From: Nigel Cunningham <nigel@nigel.suspend2.net>
To: "Agarwal, Lomesh" <lomesh.agarwal@intel.com>
Cc: nigel@suspend2.net, "Rafael Wysocki" <rjw@sisk.pl>,
linux-kernel@vger.kernel.org
Subject: Re: which signal is sent to freeze process?
Date: Fri, 20 Jul 2007 08:19:11 +1000 [thread overview]
Message-ID: <200707200819.16100.nigel@nigel.suspend2.net> (raw)
In-Reply-To: <A3258B497F1C1441AD36A2E8B45FD628550DD6@scsmsx412.amr.corp.intel.com>
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Hi.
On Friday 20 July 2007 07:06:01 Agarwal, Lomesh wrote:
> So basically I can not install a signal handler to catch freeze signal
> in the process. Right?
> Is there any other way to solve the problem I am facing? After resume
> some of the system calls are failing in some of my applications with
> errno set as EINTR. I wanted to explore a way to not check for this
> error all over the place and somehow retry failed system call. Any
> ideas?
Well, if you tell us which syscalls are returning with EINTR, maybe we can do
something on our side. The freezer is supposed to be as transparent as
possible to userspace, so it may be the case that we can do something to
continue waiting or whatever you were doing after the freezing is done.
Regards,
Nigel
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next prev parent reply other threads:[~2007-07-19 22:19 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-18 23:42 which signal is sent to freeze process? 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 [this message]
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
-- strict thread matches above, loose matches on Subject: below --
2007-07-23 19:52 Manfred Spraul
2007-07-23 20:11 ` 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
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