Type Alias DADiskPeekCallback

pub type DADiskPeekCallback = Option<unsafe extern "C-unwind" fn(NonNull<DADisk>, *mut c_void)>;

Available on crate feature DADisk only.

Type of the callback function used by DARegisterDiskPeekCallback().

Parameter disk: A disk object.

Parameter context: The user-defined context parameter given to the registration function.

The peek callback functions are called in a specific order, from lowest order to highest order. DADiskClaim() could be used here to claim the disk object and DADiskSetOptions() could be used here to set up options on the disk object.

See also Apple’s documentation

Aliased Type

enum DADiskPeekCallback {
    None,
    Some(unsafe extern "C-unwind" fn(_: NonNull<DADisk>, _: *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C-unwind" fn(_: NonNull<DADisk>, _: *mut c_void))

Some value of type T.