blob: d0519c3432b678b8c5de116b939cde12fa6db152 [file] [log] [blame]
Ingo Molnare7eebaf2006-06-27 02:54:55 -07001/*
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
Ingo Molnare7eebaf2006-06-27 02:54:55 -070012extern 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);
Ingo Molnar9a11b49a2006-07-03 00:24:33 -070018extern void debug_rt_mutex_lock(struct rt_mutex *lock);
Ingo Molnare7eebaf2006-06-27 02:54:55 -070019extern void debug_rt_mutex_unlock(struct rt_mutex *lock);
20extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock,
Ingo Molnar9a11b49a2006-07-03 00:24:33 -070021 struct task_struct *powner);
Ingo Molnare7eebaf2006-06-27 02:54:55 -070022extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
Thomas Gleixner8930ed82014-05-22 03:25:47 +000023extern void debug_rt_mutex_deadlock(enum rtmutex_chainwalk chwalk,
24 struct rt_mutex_waiter *waiter,
Ingo Molnare7eebaf2006-06-27 02:54:55 -070025 struct rt_mutex *lock);
26extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);
27# define debug_rt_mutex_reset_waiter(w) \
28 do { (w)->deadlock_lock = NULL; } while (0)
29
Thomas Gleixner8930ed82014-05-22 03:25:47 +000030static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
31 enum rtmutex_chainwalk walk)
Ingo Molnare7eebaf2006-06-27 02:54:55 -070032{
33 return (waiter != NULL);
34}
Thomas Gleixner3d5c9342014-06-05 12:34:23 +020035
36static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
37{
38 debug_rt_mutex_print_deadlock(w);
39}