[src/trunk]: src/sys add missing const

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

details:   https://anonhg.NetBSD.org/src/rev/43dd341ae079
branches:  trunk
changeset: 826608:43dd341ae079
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Sep 16 23:25:34 2017 +0000

description:
add missing const

diffstat:

 sys/kern/kern_mutex.c |  10 +++++-----
 sys/sys/mutex.h       |   8 ++++----
 2 files changed, 9 insertions(+), 9 deletions(-)

diffs (67 lines):

diff -r f36f07d8740f -r 43dd341ae079 sys/kern/kern_mutex.c
--- a/sys/kern/kern_mutex.c     Sat Sep 16 21:47:02 2017 +0000
+++ b/sys/kern/kern_mutex.c     Sat Sep 16 23:25:34 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_mutex.c,v 1.65 2017/05/01 21:35:25 pgoyette Exp $ */
+/*     $NetBSD: kern_mutex.c,v 1.66 2017/09/16 23:25:34 christos Exp $ */
 
 /*-
  * Copyright (c) 2002, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -40,7 +40,7 @@
 #define        __MUTEX_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_mutex.c,v 1.65 2017/05/01 21:35:25 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_mutex.c,v 1.66 2017/09/16 23:25:34 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -805,7 +805,7 @@
  *     holds the mutex.
  */
 int
-mutex_owned(kmutex_t *mtx)
+mutex_owned(const kmutex_t *mtx)
 {
 
        if (mtx == NULL)
@@ -826,7 +826,7 @@
  *     priority inheritance.
  */
 lwp_t *
-mutex_owner(kmutex_t *mtx)
+mutex_owner(const kmutex_t *mtx)
 {
 
        MUTEX_ASSERT(mtx, MUTEX_ADAPTIVE_P(mtx));
@@ -841,7 +841,7 @@
  *     that won't work correctly for spin mutexes.
  */
 int
-mutex_ownable(kmutex_t *mtx)
+mutex_ownable(const kmutex_t *mtx)
 {
 
 #ifdef LOCKDEBUG
diff -r f36f07d8740f -r 43dd341ae079 sys/sys/mutex.h
--- a/sys/sys/mutex.h   Sat Sep 16 21:47:02 2017 +0000
+++ b/sys/sys/mutex.h   Sat Sep 16 23:25:34 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mutex.h,v 1.21 2017/05/01 21:35:26 pgoyette Exp $      */
+/*     $NetBSD: mutex.h,v 1.22 2017/09/16 23:25:35 christos Exp $      */
 
 /*-
  * Copyright (c) 2002, 2006, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -203,9 +203,9 @@
 
 int    mutex_tryenter(kmutex_t *);
 
-int    mutex_owned(kmutex_t *);
-int    mutex_ownable(kmutex_t *);
-lwp_t  *mutex_owner(kmutex_t *);
+int    mutex_owned(const kmutex_t *);
+int    mutex_ownable(const kmutex_t *);
+lwp_t  *mutex_owner(const kmutex_t *);
 
 void   mutex_obj_init(void);
 kmutex_t *mutex_obj_alloc(kmutex_type_t, int);