Root/kernel/rtmutex-debug.h

1/*
2 * RT-Mutexes: blocking mutual exclusion locks with PI support
3 *
4 * started by Ingo Molnar and Thomas Gleixner:
5 *
6 * Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
7 * Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
8 *
9 * This file contains macros used solely by rtmutex.c. Debug version.
10 */
11
12extern void
13rt_mutex_deadlock_account_lock(struct rt_mutex *lock, struct task_struct *task);
14extern void rt_mutex_deadlock_account_unlock(struct task_struct *task);
15extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);
16extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter);
17extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name);
18extern void debug_rt_mutex_lock(struct rt_mutex *lock);
19extern void debug_rt_mutex_unlock(struct rt_mutex *lock);
20extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock,
21                      struct task_struct *powner);
22extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
23extern void debug_rt_mutex_deadlock(int detect, struct rt_mutex_waiter *waiter,
24                    struct rt_mutex *lock);
25extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);
26# define debug_rt_mutex_reset_waiter(w) \
27    do { (w)->deadlock_lock = NULL; } while (0)
28
29static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
30                         int detect)
31{
32    return (waiter != NULL);
33}
34

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