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kern_lock.c (173600) kern_lock.c (173733)
1/*-
2 * Copyright (c) 1995
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Copyright (C) 1997
6 * John S. Dyson. All rights reserved.
7 *
8 * This code contains ideas from software contributed to Berkeley by

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36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * @(#)kern_lock.c 8.18 (Berkeley) 5/21/95
41 */
42
43#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1995
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Copyright (C) 1997
6 * John S. Dyson. All rights reserved.
7 *
8 * This code contains ideas from software contributed to Berkeley by

--- 27 unchanged lines hidden (view full) ---

36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * @(#)kern_lock.c 8.18 (Berkeley) 5/21/95
41 */
42
43#include <sys/cdefs.h>
44__FBSDID("$FreeBSD: head/sys/kern/kern_lock.c 173600 2007-11-14 06:21:24Z julian $");
44__FBSDID("$FreeBSD: head/sys/kern/kern_lock.c 173733 2007-11-18 14:43:53Z attilio $");
45
46#include "opt_ddb.h"
47#include "opt_global.h"
48
49#include <sys/param.h>
50#include <sys/kdb.h>
51#include <sys/kernel.h>
52#include <sys/ktr.h>
53#include <sys/lock.h>
54#include <sys/lockmgr.h>
55#include <sys/mutex.h>
56#include <sys/proc.h>
57#include <sys/systm.h>
58#include <sys/lock_profile.h>
59#ifdef DEBUG_LOCKS
60#include <sys/stack.h>
61#endif
62
45
46#include "opt_ddb.h"
47#include "opt_global.h"
48
49#include <sys/param.h>
50#include <sys/kdb.h>
51#include <sys/kernel.h>
52#include <sys/ktr.h>
53#include <sys/lock.h>
54#include <sys/lockmgr.h>
55#include <sys/mutex.h>
56#include <sys/proc.h>
57#include <sys/systm.h>
58#include <sys/lock_profile.h>
59#ifdef DEBUG_LOCKS
60#include <sys/stack.h>
61#endif
62
63static void assert_lockmgr(struct lock_object *lock, int what);
63#ifdef DDB
64#include <ddb/ddb.h>
65static void db_show_lockmgr(struct lock_object *lock);
66#endif
67static void lock_lockmgr(struct lock_object *lock, int how);
68static int unlock_lockmgr(struct lock_object *lock);
69
70struct lock_class lock_class_lockmgr = {
71 .lc_name = "lockmgr",
72 .lc_flags = LC_SLEEPLOCK | LC_SLEEPABLE | LC_RECURSABLE | LC_UPGRADABLE,
64#ifdef DDB
65#include <ddb/ddb.h>
66static void db_show_lockmgr(struct lock_object *lock);
67#endif
68static void lock_lockmgr(struct lock_object *lock, int how);
69static int unlock_lockmgr(struct lock_object *lock);
70
71struct lock_class lock_class_lockmgr = {
72 .lc_name = "lockmgr",
73 .lc_flags = LC_SLEEPLOCK | LC_SLEEPABLE | LC_RECURSABLE | LC_UPGRADABLE,
74 .lc_assert = assert_lockmgr,
73#ifdef DDB
74 .lc_ddb_show = db_show_lockmgr,
75#endif
76 .lc_lock = lock_lockmgr,
77 .lc_unlock = unlock_lockmgr,
78};
79
80/*
81 * Locking primitives implementation.
82 * Locks provide shared/exclusive sychronization.
83 */
84
85void
75#ifdef DDB
76 .lc_ddb_show = db_show_lockmgr,
77#endif
78 .lc_lock = lock_lockmgr,
79 .lc_unlock = unlock_lockmgr,
80};
81
82/*
83 * Locking primitives implementation.
84 * Locks provide shared/exclusive sychronization.
85 */
86
87void
88assert_lockmgr(struct lock_object *lock, int what)
89{
90
91 panic("lockmgr locks do not support assertions");
92}
93
94void
86lock_lockmgr(struct lock_object *lock, int how)
87{
88
89 panic("lockmgr locks do not support sleep interlocking");
90}
91
92int
93unlock_lockmgr(struct lock_object *lock)

--- 624 unchanged lines hidden --- 		95lock_lockmgr(struct lock_object *lock, int how)
96{
97
98 panic("lockmgr locks do not support sleep interlocking");
99}
100
101int
102unlock_lockmgr(struct lock_object *lock)

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