[src/riastradh-drm2]: src/sys/external/bsd/drm2/include/linux Define spin_is_...

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

details:   https://anonhg.NetBSD.org/src/rev/c0128542cc67
branches:  riastradh-drm2
changeset: 788120:c0128542cc67
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 02:20:09 2013 +0000

description:
Define spin_is_locked in <linux/spinlock.h>.

diffstat:

 sys/external/bsd/drm2/include/linux/spinlock.h |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (22 lines):

diff -r 68f21fc9ebb0 -r c0128542cc67 sys/external/bsd/drm2/include/linux/spinlock.h
--- a/sys/external/bsd/drm2/include/linux/spinlock.h    Wed Jul 24 02:19:53 2013 +0000
+++ b/sys/external/bsd/drm2/include/linux/spinlock.h    Wed Jul 24 02:20:09 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: spinlock.h,v 1.1.2.3 2013/07/24 02:09:58 riastradh Exp $       */
+/*     $NetBSD: spinlock.h,v 1.1.2.4 2013/07/24 02:20:09 riastradh Exp $       */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -39,6 +39,12 @@
        kmutex_t sl_lock;
 } spinlock_t;
 
+static inline int
+spin_is_locked(spinlock_t *spinlock)
+{
+       return mutex_owned(&spinlock->sl_lock);
+}
+
 static inline void
 spin_lock(spinlock_t *spinlock)
 {