[src/trunk]: src/sys/external/bsd/common/include/linux Implement list_splice_...

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

details:   https://anonhg.NetBSD.org/src/rev/f7941ee000c6
branches:  trunk
changeset: 366005:f7941ee000c6
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Aug 27 07:33:09 2018 +0000

description:
Implement list_splice_tail_init.

diffstat:

 sys/external/bsd/common/include/linux/list.h |  11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diffs (25 lines):

diff -r 42c6c76efc0f -r f7941ee000c6 sys/external/bsd/common/include/linux/list.h
--- a/sys/external/bsd/common/include/linux/list.h      Mon Aug 27 07:32:59 2018 +0000
+++ b/sys/external/bsd/common/include/linux/list.h      Mon Aug 27 07:33:09 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: list.h,v 1.14 2018/08/27 07:21:59 riastradh Exp $      */
+/*     $NetBSD: list.h,v 1.15 2018/08/27 07:33:09 riastradh Exp $      */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -167,6 +167,15 @@
 }
 
 static inline void
+list_splice_tail_init(struct list_head *list, struct list_head *head)
+{
+       if (!list_empty(list)) {
+               __list_splice_between(head->prev, list, head);
+               INIT_LIST_HEAD(list);
+       }
+}
+
+static inline void
 list_move(struct list_head *node, struct list_head *head)
 {
        list_del(node);