signalling suspend/resume events (deviceKit-power) (original) (raw)
Richard Hughes hughsient at gmail.com
Tue Dec 8 06:51:02 PST 2009
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2009/12/8 Dario Freddi <drf54321 at gmail.com>:
But I think a better idea would be having the signal being streamed from upower (since if the aim is providing an unique and future-proof system), triggered from an hook in pm-utils. I think such a solution would be the best of both worlds.
You have to be careful with signals, as they are not blocking, I mean:
user clicks suspend upower sends Suspending()
pc is sleeping
pc awakes upower sends Awakening()
Applications get time to process the Suspending signal call. Applications get time to process the Awakening signal call.
So you get a nice race.
Richard.
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