Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / 1841a4c7ae106b7a3e2521db55f4d8bb8a0988d5 / . / kernel / rtmutex-debug.h
blob: 14193d596d7858c1db04baeebc55c3e665e01208 [file] [log] [blame]
Ingo Molnare7eebaf2006-06-27 02:54:55 -0700[diff] [blame]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
Ingo Molnare7eebaf2006-06-27 02:54:55 -0700[diff] [blame]12extern 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 -0700[diff] [blame]18extern void debug_rt_mutex_lock(struct rt_mutex *lock);
Ingo Molnare7eebaf2006-06-27 02:54:55 -0700[diff] [blame]19extern 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 -0700[diff] [blame]21 struct task_struct *powner);
Ingo Molnare7eebaf2006-06-27 02:54:55 -0700[diff] [blame]22extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
23extern void debug_rt_mutex_deadlock(int detect, struct rt_mutex_waiter *waiter,
24 struct rt_mutex *lock);
25extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);
26# define debug_rt_mutex_reset_waiter(w) \
27 do { (w)->deadlock_lock = NULL; } while (0)
28
29static inline int debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
30 int detect)
31{
32 return (waiter != NULL);
33}