From 86582682c97820d8cebfe4a6c4b990d308010eec Mon Sep 17 00:00:00 2001
From: Paul Jakma <paul@jakma.org>
Date: Tue, 15 Sep 2015 16:16:42 +0100
Subject: [PATCH] lib/workqueue: Add trivial work_queue_is_scheduled helper

(cherry picked from commit 13c2a3db503fde67f647fa58fd4e1077517ebb5c)
---
 lib/workqueue.c | 6 ++++++
 lib/workqueue.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/lib/workqueue.c b/lib/workqueue.c
index a45a6fc097..3100b99383 100644
--- a/lib/workqueue.c
+++ b/lib/workqueue.c
@@ -108,6 +108,12 @@ work_queue_free (struct work_queue *wq)
   return;
 }
 
+bool
+work_queue_is_scheduled (struct work_queue *wq)
+{
+  return (wq->thread != NULL);
+}
+
 static int
 work_queue_schedule (struct work_queue *wq, unsigned int delay)
 {
diff --git a/lib/workqueue.h b/lib/workqueue.h
index 7d9a877d10..19b44041d7 100644
--- a/lib/workqueue.h
+++ b/lib/workqueue.h
@@ -122,6 +122,8 @@ extern void work_queue_plug (struct work_queue *wq);
 /* 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;
-- 
2.39.5