Waking iMac from sleep?
Waking iMac from sleep?
- Subject: Waking iMac from sleep?
- From: "Matt R" <email@hidden>
- Date: Sun, 18 Feb 2007 08:52:50 -0800
I am writing a cocoa app that incorporates a timer. The timer performs an
action when it expires, however if the computer is asleep, the action is
never performed. But I am having problems scheduling my mac to wake from
sleep to allow the timer to perform its action. I downloaded the PM_DDK for
OS X and used the Apple sample code in 'wakeIn.c'. But when I run the code I
get the following errors:
IOServiceGetMatchingService() error
Error: Couldn't find PMU in IORegistry. This system may not support
automatic wake.
I get the same errors when running apple's executable from the terminal,
too. In addition, a similar program I downloaded that supposedly supports
the same feature, also coincidentally does work on my mac. So I guess my
question is, is waking the computer from sleep via the PMU something that is
not universally supported on all hardware? I'm using an iMac G5 w/ 10.4.8.
Any feedback is apprecaited- thanks for your time~
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