struct IOStorageCompletion { void * target; IOStorageCompletionAction action; void * parameter; };
The IOStorageCompletion structure describes the C (or C++) completion routine that is called once an asynchronous storage operation completes. The values passed for the target and parameter fields will be passed to the routine when it is called.
Name Description target Opaque client-supplied pointer (or an instance pointer for a C++ callback). action Completion routine to call on completion of the data transfer. parameter Opaque client-supplied pointer.
© 2000 Apple Computer, Inc. (Last Updated 2/23/2000)