Registers a callback function to be called whenever a disk has been probed.
- macOS 10.4+
- Mac Catalyst 13.0+
The session object.
The disk description keys to match. Pass NULL for all disk objects.
The callback order, from lowest to highest. Pass 0 for the default.
The callback function to call when a disk has been probed.
The user-defined context parameter to pass to the callback function.