Re: Sleep Display

FROM : Jere Gmail
DATE : Sun May 11 10:59:49 2008

Hi. I've tryed this code and it works. The problem is that with some
machines it causes a kernel panic. They are PPC machines. Isn't this
code compatible?

On Sun, Nov 4, 2007 at 8:45 AM, Andrew James <<email_removed>> wrote:
> Hi,
> How far back is this compatible? is it only 10.5?
>
> On 11/4/07, Andrew Farmer <<email_removed>> wrote:

>>
>> On 30 Oct 07, at 15:33, Andrew James wrote:
>> > I noticed steve added the nice feature to sleep the display via a hot
>> > corner, but is there a way for us devs to hook into it? I am
>> > currently using
>> > a pmset hack which i would prefer to use a cleaner method
>>
>> Undocumented, use at your own risk, etc. It ends up involving more
>> IOKit than Cocoa, as it turns out.
>>
>> #include <CoreFoundation/CoreFoundation.h>
>> #include <IOKit/IOKitLib.h>
>>
>> int dimDisplayNow(void) {
>>      io_registry_entry_t r =
>> IORegistryEntryFromPath(kIOMasterPortDefault, "IOService:/IOResources/
>> IODisplayWrangler");
>>      if(!r) return 1;
>>      int err = IORegistryEntrySetCFProperty(r, CFSTR("IORequestIdle"),
>> kCFBooleanTrue);
>>      IOObjectRelease(r);
>>      return err;
>> }
>>
>>

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