/* SPDX-License-Identifier: GPL-2.0 */

  /*
   * Mutexes: blocking mutual exclusion locks
   *
   * started by Ingo Molnar:
   *
   *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
   *
   * This file contains mutex debugging related internal declarations,
   * prototypes and inline functions, for the CONFIG_DEBUG_MUTEXES case.
   * More details are in kernel/mutex-debug.c.
   */

  /*
   * This must be called with lock->wait_lock held.
   */

  extern void debug_mutex_lock_common(struct mutex *lock,
  				    struct mutex_waiter *waiter);

  extern void debug_mutex_wake_waiter(struct mutex *lock,
  				    struct mutex_waiter *waiter);
  extern void debug_mutex_free_waiter(struct mutex_waiter *waiter);
  extern void debug_mutex_add_waiter(struct mutex *lock,
  				   struct mutex_waiter *waiter,

  				   struct task_struct *task);

  extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,

  				struct task_struct *task);

  extern void debug_mutex_unlock(struct mutex *lock);

  extern void debug_mutex_init(struct mutex *lock, const char *name,
  			     struct lock_class_key *key);