signalling suspend/resume events (deviceKit-power)

Patryk Zawadzki patrys at pld-linux.org
Sun Jan 10 10:10:54 PST 2010


On Sat, Jan 2, 2010 at 11:12 PM, Bartłomiej Zimoń <uzi18 at o2.pl> wrote:
> Dnia 2 stycznia 2010 22:53 Richard Hughes <hughsient at gmail.com> napisał(a):
>> 2010/1/2 Bartłomiej Zimoń <uzi18 at o2.pl>:
>> > I'm writing small kernel helper module to expose such info to userspace.
>> > What could be more prefferad to notify about suspend/resume: sysfs,procfs or device file?
>>
>> sysfs, preferably using a uevent or one-value-per-file please.
> For now it is device file witch on event send event id.
> please look on discusion on today lkml topic: "userspace notification from module"

As a side note: would it be possible for devkit-power to include the
timestamp of suspension with the resume signal so applications can
decide to invalidate caches etc. based on the time passed?

-- 
Patryk Zawadzki


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