On Feb 16, 2010, at 13:19, Joe Ranieri wrote: > On 2/16/10 4:18 PM, Laurent Daudelin wrote: >> On Feb 16, 2010, at 13:13, Joe Ranieri wrote: >> >>> On 2/16/10 4:10 PM, Neil Allain wrote: >>>> >>>> On Feb 16, 2010, at 2:57 PM, Laurent Daudelin wrote: >>>> >>>>> I'm working on a an app that at some point might start transferring a >>>>> large file to a USB device. Apparently, if the system is set to go to >>>>> sleep, the transfer will fail. >>>>> >>>>> I was thinking of using the NSWorkspace extendPowerOffBy: but then the >>>>> doc says "Currently unimplemented". >>>>> >>>>> So, if my app get a notification that the system is going to sleep, how >>>>> can I delay it? >>>>> >>>> >>>> You can call UpdateSystemActivity() periodically (such as on a timer) to >>>> prevent it from going to sleep. >>>> >>>> Neil >>> >>> You should probably be using IOPMAssertionCreateWithName() instead if you >>> can require 10.5+. This gives the system a lot more information about the >>> intent of your code and the potential ability to show some nice UI to the >>> user. >> >> Oops! The doc says it was introduced in 10.6 and I need to support 10.5. I >> guess I'll have to check "IOPMAssertionCreate"... >> >> Thanks! > > Curious. The header file says: > IOReturn IOPMAssertionCreateWithName( > CFStringRef AssertionType, > IOPMAssertionLevel AssertionLevel, > CFStringRef AssertionName, > IOPMAssertionID *AssertionID) > AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER; > > Is the header wrong? > > -- Joe Ranieri
I'll give it a shot and see. Should find out pretty quickly... -Laurent. -- Laurent Daudelin AIM/iChat/Skype:LaurentDaudelin http://nemesys.dyndns.org Logiciels Nemesys Software laurent.daude...@gmail.com Photo Gallery Store: http://laurentdaudelin.shutterbugstorefront.com/g/galleries _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
