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Re: DKIOCCDREADTOC ioctl() fails during debugging

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Re: DKIOCCDREADTOC ioctl() fails during debugging

Subject: Re: DKIOCCDREADTOC ioctl() fails during debugging
From: Garth Cummings <email@hidden>
Date: Wed, 31 May 2006 08:36:11 -0700


On May 31, 2006, at 7:48 AM, Stephen F. Booth wrote:

I've omitted the error handling code, but I do checking. opendev() works every time, but as I mentioned, ioctl() fails from the debugger. Any ideas why?

What's the value of errno when ioctl returns -1? That's the biggest clue about what "fails" means in this case. ;-)

--gc

____________________________________________________________________
Garth Cummings					 email@hidden
Sr. Software Engineer
Apple Developer Technical Support

<http://developer.apple.com/technicalsupport>

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Re: DKIOCCDREADTOC ioctl() fails during debugging
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