Index: sys/task.h
===================================================================
RCS file: /cvs/src/sys/sys/task.h,v
retrieving revision 1.12
diff -u -p -r1.12 task.h
--- sys/task.h	13 Nov 2017 23:52:49 -0000	1.12
+++ sys/task.h	15 Dec 2018 10:53:05 -0000
@@ -30,6 +30,8 @@ struct task {
 	unsigned int	t_flags;
 };
 
+#define TASK_ONQUEUE		1
+
 TAILQ_HEAD(task_list, task);
 
 #define TASKQ_MPSAFE		(1 << 0)
@@ -48,6 +50,8 @@ void		 taskq_barrier(struct taskq *);
 void		 task_set(struct task *, void (*)(void *), void *);
 int		 task_add(struct taskq *, struct task *);
 int		 task_del(struct taskq *, struct task *);
+
+#define task_pending(_t)	ISSET((_t)->t_flags, TASK_ONQUEUE)
 
 #endif /* _KERNEL */
 
Index: kern/kern_task.c
===================================================================
RCS file: /cvs/src/sys/kern/kern_task.c,v
retrieving revision 1.22
diff -u -p -r1.22 kern_task.c
--- kern/kern_task.c	14 Dec 2017 00:45:16 -0000	1.22
+++ kern/kern_task.c	15 Dec 2018 10:53:05 -0000
@@ -24,8 +24,6 @@
 #include <sys/task.h>
 #include <sys/proc.h>
 
-#define TASK_ONQUEUE	1
-
 struct taskq {
 	enum {
 		TQ_S_CREATED,
Index: net/ifq.c
===================================================================
RCS file: /cvs/src/sys/net/ifq.c,v
retrieving revision 1.24
diff -u -p -r1.24 ifq.c
--- net/ifq.c	11 Dec 2018 01:36:42 -0000	1.24
+++ net/ifq.c	15 Dec 2018 10:53:05 -0000
@@ -71,8 +71,6 @@ void	ifq_start_task(void *);
 void	ifq_restart_task(void *);
 void	ifq_barrier_task(void *);
 
-#define TASK_ONQUEUE 0x1
-
 void
 ifq_serialize(struct ifqueue *ifq, struct task *t)
 {