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e7eebaf6 IM |
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 | ||
e7eebaf6 IM |
12 | extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter); |
13 | extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter); | |
f5694788 | 14 | extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name, struct lock_class_key *key); |
9a11b49a | 15 | extern void debug_rt_mutex_lock(struct rt_mutex *lock); |
e7eebaf6 IM |
16 | extern void debug_rt_mutex_unlock(struct rt_mutex *lock); |
17 | extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock, | |
9a11b49a | 18 | struct task_struct *powner); |
e7eebaf6 | 19 | extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock); |
8930ed80 TG |
20 | extern void debug_rt_mutex_deadlock(enum rtmutex_chainwalk chwalk, |
21 | struct rt_mutex_waiter *waiter, | |
e7eebaf6 IM |
22 | struct rt_mutex *lock); |
23 | extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter); | |
24 | # define debug_rt_mutex_reset_waiter(w) \ | |
25 | do { (w)->deadlock_lock = NULL; } while (0) | |
26 | ||
8930ed80 TG |
27 | static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter, |
28 | enum rtmutex_chainwalk walk) | |
e7eebaf6 IM |
29 | { |
30 | return (waiter != NULL); | |
31 | } | |
3d5c9340 TG |
32 | |
33 | static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w) | |
34 | { | |
35 | debug_rt_mutex_print_deadlock(w); | |
36 | } |