This function is used to notify a higher layer that a queue is being
deinitialized. The higher layer should then clean up any state
associated with that queue.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
This function is used to notify a higher layer that a queue has been
initialized. That higher layer can return a pointer to be attached to
the "private data" field of the queue.
Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>