[src/trunk]: src/sys/external/bsd/common/linux Add work_pending, delayed_work...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5ba498baac0b
branches:  trunk
changeset: 1027885:5ba498baac0b
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 01:04:05 2021 +0000

description:
Add work_pending, delayed_work_pending.

diffstat:

 sys/external/bsd/common/include/linux/workqueue.h |   6 +++-
 sys/external/bsd/common/linux/linux_work.c        |  29 +++++++++++++++++++++-
 2 files changed, 32 insertions(+), 3 deletions(-)

diffs (95 lines):

diff -r 9747a96bb3e8 -r 5ba498baac0b sys/external/bsd/common/include/linux/workqueue.h
--- a/sys/external/bsd/common/include/linux/workqueue.h Sun Dec 19 01:03:57 2021 +0000
+++ b/sys/external/bsd/common/include/linux/workqueue.h Sun Dec 19 01:04:05 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: workqueue.h,v 1.16 2021/12/19 01:03:57 riastradh Exp $ */
+/*     $NetBSD: workqueue.h,v 1.17 2021/12/19 01:04:05 riastradh Exp $ */
 
 /*-
  * Copyright (c) 2013, 2018 The NetBSD Foundation, Inc.
@@ -45,6 +45,7 @@
 #define        cancel_work                     linux_cancel_work
 #define        cancel_work_sync                linux_cancel_work_sync
 #define        current_work                    linux_current_work
+#define        delayed_work_pending            linux_delayed_work_pending
 #define        destroy_workqueue               linux_destroy_workqueue
 #define        flush_delayed_work              linux_flush_delayed_work
 #define        flush_scheduled_work            linux_flush_scheduled_work
@@ -60,6 +61,7 @@
 #define        system_unbound_wq               linux_system_unbound_wq
 #define        system_wq                       linux_system_wq
 #define        to_delayed_work                 linux_to_delayed_work
+#define        work_pending                    linux_work_pending
 
 struct workqueue_struct;
 
@@ -111,6 +113,7 @@
 bool   cancel_work(struct work_struct *);
 bool   cancel_work_sync(struct work_struct *);
 bool   flush_work(struct work_struct *);
+bool   work_pending(struct work_struct *);
 
 void   INIT_DELAYED_WORK(struct delayed_work *,
            void (*)(struct work_struct *));
@@ -122,6 +125,7 @@
 bool   cancel_delayed_work(struct delayed_work *);
 bool   cancel_delayed_work_sync(struct delayed_work *);
 bool   flush_delayed_work(struct delayed_work *);
+bool   delayed_work_pending(struct delayed_work *);
 
 struct work_struct *
        current_work(void);
diff -r 9747a96bb3e8 -r 5ba498baac0b sys/external/bsd/common/linux/linux_work.c
--- a/sys/external/bsd/common/linux/linux_work.c        Sun Dec 19 01:03:57 2021 +0000
+++ b/sys/external/bsd/common/linux/linux_work.c        Sun Dec 19 01:04:05 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: linux_work.c,v 1.48 2021/12/19 01:03:57 riastradh Exp $        */
+/*     $NetBSD: linux_work.c,v 1.49 2021/12/19 01:04:05 riastradh Exp $        */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_work.c,v 1.48 2021/12/19 01:03:57 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_work.c,v 1.49 2021/12/19 01:04:05 riastradh Exp $");
 
 #include <sys/types.h>
 #include <sys/atomic.h>
@@ -538,6 +538,19 @@
 }
 
 /*
+ * work_pending(work)
+ *
+ *     True if work is currently claimed by any workqueue, scheduled
+ *     to run on that workqueue.
+ */
+bool
+work_pending(struct work_struct *work)
+{
+
+       return work->work_owner & 1;
+}
+
+/*
  * work_queue(work)
  *
  *     Return the last queue that work was queued on, or NULL if it
@@ -1526,3 +1539,15 @@
 
        return waited;
 }
+
+/*
+ * delayed_work_pending(dw)
+ *
+ *     True if dw is currently scheduled to execute, false if not.
+ */
+bool
+delayed_work_pending(struct delayed_work *dw)
+{
+
+       return work_pending(&dw->work);
+}