Including it isn't enough, you still need to link it with your other 
frameworks. I did this with a blank project and got no errors with a 64-bit 
build. Anyways, the IOKit function is probably the better way to go :)


On Apr 5, 2010, at 2:16 PM, Andy O'Meara wrote:

> 
> On Apr 5, 2010, at 3:31 PM, Kevin Wojniak wrote:
> 
>> Looks to me like it's still available for x86_64. Are you linking with the 
>> CoreServices framework?
>> 
>> Kevin
> 
> 
> Yeah, I've got:
> 
> #include <CoreServices/CoreServices.h>
> 
> void foo() {
>    UpdateSystemActivity( UsrActivity );   // Error: 'UpdateSystemActivity' 
> was not declared in this scope
> }
> 
> Also, if I declare it, I get a link error saying the symbol doesn't exist.
> 
> It'd be nice to use UpdateSystemActivity(), but it seems Sean's IOKit method 
> the only way to proceed (thanks Sean!).
> 
> Andy
> 
> 
>> 
>> 
>> On Apr 5, 2010, at 12:36 PM, Andy O'Meara wrote:
>> 
>>> 
>>> Hey cocoa crew, quick question...
>>> 
>>> I'm looking for a Cocoa replacement for Carbon's UpdateSystemActivity() 
>>> since it appears to be unavailable under x86_64.
>>> 
>>> Any help or suggestion would be appreciated!
>>> 
>>> Thanks,
>>> Andy
>>> 
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>> 
> 

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