1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Mutexes: blocking mutual exclusion locks
4  *
5  * started by Ingo Molnar:
6  *
7  *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
8  *
9  * This file contains mutex debugging related internal declarations,
10  * prototypes and inline functions, for the CONFIG_DEBUG_MUTEXES case.
11  * More details are in kernel/mutex-debug.c.
12  */
13 
14 /*
15  * This must be called with lock->wait_lock held.
16  */
17 extern void debug_mutex_lock_common(struct mutex *lock,
18 				    struct mutex_waiter *waiter);
19 extern void debug_mutex_wake_waiter(struct mutex *lock,
20 				    struct mutex_waiter *waiter);
21 extern void debug_mutex_free_waiter(struct mutex_waiter *waiter);
22 extern void debug_mutex_add_waiter(struct mutex *lock,
23 				   struct mutex_waiter *waiter,
24 				   struct task_struct *task);
25 extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
26 				struct task_struct *task);
27 extern void debug_mutex_unlock(struct mutex *lock);
28 extern void debug_mutex_init(struct mutex *lock, const char *name,
29 			     struct lock_class_key *key);
30