lib/workqueue: Add trivial work_queue_is_scheduled helper
diff --git a/lib/workqueue.h b/lib/workqueue.h
index f59499a..5ad2589 100644
--- a/lib/workqueue.h
+++ b/lib/workqueue.h
@@ -119,6 +119,8 @@
/* unplug the queue, allow it to be drained again */
extern void work_queue_unplug (struct work_queue *wq);
+bool work_queue_is_scheduled (struct work_queue *);
+
/* Helpers, exported for thread.c and command.c */
extern int work_queue_run (struct thread *);
extern struct cmd_element show_work_queues_cmd;