2006-06-27 03:54:55 -06:00
|
|
|
/*
|
|
|
|
* RT-Mutexes: blocking mutual exclusion locks with PI support
|
|
|
|
*
|
|
|
|
* started by Ingo Molnar and Thomas Gleixner:
|
|
|
|
*
|
|
|
|
* Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
|
|
|
|
* Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
|
|
|
|
*
|
|
|
|
* This file contains macros used solely by rtmutex.c. Debug version.
|
|
|
|
*/
|
|
|
|
|
|
|
|
extern void
|
|
|
|
rt_mutex_deadlock_account_lock(struct rt_mutex *lock, struct task_struct *task);
|
|
|
|
extern void rt_mutex_deadlock_account_unlock(struct task_struct *task);
|
|
|
|
extern void debug_rt_mutex_init_waiter(struct rt_mutex_waiter *waiter);
|
|
|
|
extern void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter);
|
|
|
|
extern void debug_rt_mutex_init(struct rt_mutex *lock, const char *name);
|
2006-07-03 01:24:33 -06:00
|
|
|
extern void debug_rt_mutex_lock(struct rt_mutex *lock);
|
2006-06-27 03:54:55 -06:00
|
|
|
extern void debug_rt_mutex_unlock(struct rt_mutex *lock);
|
|
|
|
extern void debug_rt_mutex_proxy_lock(struct rt_mutex *lock,
|
2006-07-03 01:24:33 -06:00
|
|
|
struct task_struct *powner);
|
2006-06-27 03:54:55 -06:00
|
|
|
extern void debug_rt_mutex_proxy_unlock(struct rt_mutex *lock);
|
2014-05-21 21:25:47 -06:00
|
|
|
extern void debug_rt_mutex_deadlock(enum rtmutex_chainwalk chwalk,
|
|
|
|
struct rt_mutex_waiter *waiter,
|
2006-06-27 03:54:55 -06:00
|
|
|
struct rt_mutex *lock);
|
|
|
|
extern void debug_rt_mutex_print_deadlock(struct rt_mutex_waiter *waiter);
|
|
|
|
# define debug_rt_mutex_reset_waiter(w) \
|
|
|
|
do { (w)->deadlock_lock = NULL; } while (0)
|
|
|
|
|
2014-05-21 21:25:47 -06:00
|
|
|
static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *waiter,
|
|
|
|
enum rtmutex_chainwalk walk)
|
2006-06-27 03:54:55 -06:00
|
|
|
{
|
|
|
|
return (waiter != NULL);
|
|
|
|
}
|
2014-06-05 04:34:23 -06:00
|
|
|
|
|
|
|
static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
|
|
|
|
{
|
|
|
|
debug_rt_mutex_print_deadlock(w);
|
|
|
|
}
|