Arve Hjønnevåg 4d7e30d989 epoll: Add a flag, EPOLLWAKEUP, to prevent suspend while epoll events are ready ...

When an epoll_event, that has the EPOLLWAKEUP flag set, is ready, a
wakeup_source will be active to prevent suspend. This can be used to
handle wakeup events from a driver that support poll, e.g. input, if
that driver wakes up the waitqueue passed to epoll before allowing
suspend.

Signed-off-by: Arve Hjønnevåg <arve@android.com>
Reviewed-by: NeilBrown <neilb@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

2012-05-05 21:50:41 +02:00

3.2 KiB

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