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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: "Stephen F. Booth" <email@hidden>
Date: Wed, 31 May 2006 08:44:05 -0700

On May 31, 2006, at 8:36 AM, Garth Cummings 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. ;-)

Ah, that would be helpful, wouldn't it! The error is 5:Input/output error. If you want to see the whole code in context it is on http:// svn.sourceforge.net/viewcvs.cgi/macaudiox/trunk/Drive/Drive.m? view=markup

Stephen
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References:  
  >DKIOCCDREADTOC ioctl() fails during debugging (From: "Stephen F. Booth" <email@hidden>)
  >Re: DKIOCCDREADTOC ioctl() fails during debugging (From: Garth Cummings <email@hidden>)




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