On Thu, 27 May 2010 20:29:26 +0100
Matthew Garrett <[email protected]> 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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