Hi Chris, Thank you. I will try IOServiceGetMatchingService to get the imformation.
Ryota 2008/9/9 Chris Suter <[EMAIL PROTECTED]>: > > > 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. > -- Chris > _______________________________________________ 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]
