Re: [Libcdio-devel] Fixed disc eject support on OS X

[Rocky Bernstein]

I'm not competent enough in OSX to verify what you report. I hope others
will try out the code, and that someone more knowledgeable will weigh in.
Silence though will be taken as agreement with your change.

Thanks for digging into this and making the change.

On Sun, Jun 14, 2015 at 12:23 PM, Robert Kausch <address@hidden>
wrote:

> Hi all,
>
> just had a closer look at the issues I had with ejecting discs using
> libcdio on OS X.
>
> To eject, we scheduled the DADiskUnmount and DADiskEject commands and then
> ran CFRunLoopRunInMode(kCFRunLoopDefaultMode, 30.0, TRUE); to execute. This
> runs the current runloop until a connected source gets signaled or it times
> out. The catch is that it stops on _any_ connected source getting signaled
> which works fine for command line applications where usually only our own
> source (dacontext.canceled) is attached to the runloop. However, in Cocoa
> applications many other sources may be connected to the same runloop and
> fire signals all the time. The solution is to run that call in a loop until
> our source got signaled or it timed out.
>
> Another issue was in using kDADiskUnmountOptionDefault when unmounting.
> This unmounted only the audio part when dealing with CD-Extra discs; the
> data session stayed mounted and prevented the disc ejection. I changed it
> to kDADiskUnmountOptionWhole to remedy.
>
> Robert
> ----
> Robert Kausch
> address@hidden
>
>