38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* RT-Mutexes: blocking mutual exclusion locks with PI support
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*
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* started by Ingo Molnar and Thomas Gleixner:
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*
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* Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
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* Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
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*
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* This file contains macros used solely by rtmutex.c. Debug version.
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*/
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extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);
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extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter);
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extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name, struct lock_class_key *key);
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extern void debug_rt_mutex_lock(struct rt_mutex *lock);
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extern void debug_rt_mutex_unlock(struct rt_mutex *lock);
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extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock,
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struct task_struct *powner);
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extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
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extern void debug_rt_mutex_deadlock(enum rtmutex_chainwalk chwalk,
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struct rt_mutex_waiter *waiter,
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struct rt_mutex *lock);
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extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);
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# define debug_rt_mutex_reset_waiter(w) \
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do { (w)->deadlock_lock = NULL; } while (0)
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static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
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enum rtmutex_chainwalk walk)
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{
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return (waiter != NULL);
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}
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static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
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{
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debug_rt_mutex_print_deadlock(w);
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}
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