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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 | ||
12 | #define __IP_DECL__ , unsigned long ip | |
13 | #define __IP__ , ip | |
14 | #define __RET_IP__ , (unsigned long)__builtin_return_address(0) | |
15 | ||
16 | extern void | |
17 | rt_mutex_deadlock_account_lock(struct rt_mutex *lock, struct task_struct *task); | |
18 | extern void rt_mutex_deadlock_account_unlock(struct task_struct *task); | |
19 | extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter); | |
20 | extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter); | |
21 | extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name); | |
22 | extern void debug_rt_mutex_lock(struct rt_mutex *lock __IP_DECL__); | |
23 | extern void debug_rt_mutex_unlock(struct rt_mutex *lock); | |
24 | extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock, | |
25 | struct task_struct *powner __IP_DECL__); | |
26 | extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock); | |
27 | extern void debug_rt_mutex_deadlock(int detect, struct rt_mutex_waiter *waiter, | |
28 | struct rt_mutex *lock); | |
29 | extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter); | |
30 | # define debug_rt_mutex_reset_waiter(w) \ | |
31 | do { (w)->deadlock_lock = NULL; } while (0) | |
32 | ||
33 | static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter, | |
34 | int detect) | |
35 | { | |
36 | return (waiter != NULL); | |
37 | } |