[src/riastradh-drm2]: src/sys/external/bsd/drm2/include/linux Add atomic_add ...

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

details:   https://anonhg.NetBSD.org/src/rev/ef760c304c68
branches:  riastradh-drm2
changeset: 788151:ef760c304c68
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 02:27:52 2013 +0000

description:
Add atomic_add and atomic_add_return to <linux/atomic.h>.

diffstat:

 sys/external/bsd/drm2/include/linux/atomic.h |  14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diffs (28 lines):

diff -r a069d78e85f9 -r ef760c304c68 sys/external/bsd/drm2/include/linux/atomic.h
--- a/sys/external/bsd/drm2/include/linux/atomic.h      Wed Jul 24 02:27:38 2013 +0000
+++ b/sys/external/bsd/drm2/include/linux/atomic.h      Wed Jul 24 02:27:52 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: atomic.h,v 1.1.2.6 2013/07/24 02:27:38 riastradh Exp $ */
+/*     $NetBSD: atomic.h,v 1.1.2.7 2013/07/24 02:27:52 riastradh Exp $ */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -56,6 +56,18 @@
 }
 
 static inline void
+atomic_add(int addend, atomic_t *atomic)
+{
+       atomic_add_int(&atomic->a_u.au_uint, addend);
+}
+
+static inline int
+atomic_add_return(int addend, atomic_t *atomic)
+{
+       return (int)atomic_add_int_nv(&atomic->a_u.au_uint, addend);
+}
+
+static inline void
 atomic_inc(atomic_t *atomic)
 {
        atomic_inc_uint(&atomic->a_u.au_uint);