Messages in this thread | | | Date | Thu, 27 May 2010 20:53:33 +0100 | From | Alan Cox <> | Subject | Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8) |
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On Thu, 27 May 2010 20:29:26 +0100 Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> On Thu, May 27, 2010 at 08:25:38PM +0100, Alan Cox wrote: > > > The scheduler can happily do this, the power management will also > > recognize STOPPED processes as no impediment to suspend. > > But wakeup events won't be delivered to STOPped processes, and there's
Try the following
cat <pipe kill -STOP catpid
echo "wombats are cool" > pipe kill -CONT catpid
it will echo "wombats are cool"
The event was not lost.
> also the race of an application being in the middle of handling a wakeup > event when you send it the signal.
sigmask()
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