Returns the keys in the task queue.
Arguments
- queue
The name of the queue to query (defaults to the "default" queue).
- controller
The controller to use. If not given (or
NULL) we'll use the controller registered withrrq_default_controller_set().
Returns the keys in the task queue.
The name of the queue to query (defaults to the "default" queue).
The controller to use. If not given (or NULL)
we'll use the controller registered with
rrq_default_controller_set().