#ifndef __LINUX_DEBUG_LOCKING_H
#define __LINUX_DEBUG_LOCKING_H

#include <linux/kernel.h>
#include <linux/atomic.h>
#include <linux/bug.h>

struct task_struct;

extern int debug_locks;
extern int debug_locks_silent;


static inline int __debug_locks_off(void)
{
return xchg(&debug_locks, 0);
}

/*
* Generic 'turn off all lock debugging' function:
*/
extern int debug_locks_off(void);

#define DEBUG_LOCKS_WARN_ON(c) \
({ \
int __ret = 0; \
\
if (!oops_in_progress && unlikely(c)) { \
if (debug_locks_off() && !debug_locks_silent) \
WARN(1, "DEBUG_LOCKS_WARN_ON(%s)", #c); \
__ret = 1; \
} \
__ret; \
})

#ifdef CONFIG_SMP
# define SMP_DEBUG_LOCKS_WARN_ON(c) DEBUG_LOCKS_WARN_ON(c)
#else
# define SMP_DEBUG_LOCKS_WARN_ON(c) do { } while (0)
#endif

#ifdef CONFIG_DEBUG_LOCKING_API_SELFTESTS
extern void locking_selftest(void);
#else
# define locking_selftest() do { } while (0)
#endif

struct task_struct;

#ifdef CONFIG_LOCKDEP
extern void debug_show_all_locks(void);
extern void debug_show_held_locks(struct task_struct *task);
extern void debug_check_no_locks_freed(const void *from, unsigned long len);
extern void debug_check_no_locks_held(void);
#else
static inline void debug_show_all_locks(void)
{
}

static inline void debug_show_held_locks(struct task_struct *task)
{
}

static inline void
debug_check_no_locks_freed(const void *from, unsigned long len)
{
}

static inline void
debug_check_no_locks_held(void)
{
}
#endif

#endif