| 1 | |
| 2 | * RT-Mutexes: blocking mutual exclusion locks with PI support
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| 3 | *
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| 4 | * started by Ingo Molnar and Thomas Gleixner:
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| 5 | *
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| 6 | * Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <[email protected]>
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| 7 | * Copyright (C) 2006, Timesys Corp., Thomas Gleixner <[email protected]>
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| 8 | *
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| 9 | * This file contains macros used solely by rtmutex.c. Debug version.
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| 10 |
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| 11 |
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| 12 | extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);
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| 13 | extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter);
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| 14 | extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name, struct lock_class_key *key);
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| 15 | extern void debug_rt_mutex_lock(struct rt_mutex *lock);
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| 16 | extern void debug_rt_mutex_unlock(struct rt_mutex *lock);
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| 17 | extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock,
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| 18 | struct task_struct *powner);
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| 19 | extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
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| 20 | extern void debug_rt_mutex_deadlock(enum rtmutex_chainwalk chwalk,
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| 21 | struct rt_mutex_waiter *waiter,
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| 22 | struct rt_mutex *lock);
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| 23 | extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);
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| 24 | # define debug_rt_mutex_reset_waiter(w) \
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| 25 | do { (w)->deadlock_lock = NULL; } while (0)
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| 26 |
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| 27 | static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
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| 28 | enum rtmutex_chainwalk walk)
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| 29 | {
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| 30 | return (waiter != NULL);
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| 31 | }
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| 32 |
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| 33 | static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
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| 34 | {
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| 35 | debug_rt_mutex_print_deadlock(w);
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| 36 | }
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