Hi Ken, Hi Chris, I just want to let you know that I could specify if the start up disk is connected through firewire bus. Thank you for your information!
Sincerely, Ryota 2008/9/10 Ryota Tsukiashi <[EMAIL PROTECTED]>: > Hi Chris, > > Thank you. I will try FSMegaInfo as well. > > Ryota > > 2008/9/10 Ken Thomases <[EMAIL PROTECTED]>: >> On Sep 9, 2008, at 10:23 PM, Chris Suter wrote: >> >>> On Wed, Sep 10, 2008 at 10:10 AM, Ryota Tsukiashi >>> <[EMAIL PROTECTED]>wrote: >>> >>>> I am writing a cocoa application for our firweire device. I need to >>>> know if the system is started up from firewire disk. For PowerPC with >>>> Mac OSX 10.4/10.5, I have used information from "nvram boot-device". >>>> For IntelMac with 10.4/10.5, I have used "nvram efi-boot-device". I am >>>> not sure if it is a proper way, but it has been working OK. >>> >>> >>> No, it's not the right way. That will only tell you what the start up disk >>> is set to which isn't necessarily what you started from (for example, you >>> could have booted by holding down the Option key). >>> >>> One way to do this is to use fsstat on "/" to get the BSD information and >>> then use IOKit (IOServiceGetMatchingService) to find the device that >>> refers >>> to and then you might have to go up the hierarchy until you hit the level >>> you want. >>> >>> There might be easier ways to do this; that's just the one I first thought >>> of. >> >> The Disk Arbitration framework may be easier to use than IOKit. >> >> You might look at the FSMegaInfo sample code for inspiration regarding other >> techniques: >> >> http://developer.apple.com/samplecode/FSMegaInfo/index.html >> >> Cheers, >> Ken >> >> > _______________________________________________ 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 [EMAIL PROTECTED]
