root/include/linux/mutex-debug.h

INCLUDED FROM

#ifndef __LINUX_MUTEX_DEBUG_H
#define __LINUX_MUTEX_DEBUG_H

#include <linux/linkage.h>
#include <linux/lockdep.h>
#include <linux/debug_locks.h>

/*
 * Mutexes - debugging helpers:
 */

#define __DEBUG_MUTEX_INITIALIZER(lockname)                             \
        , .magic = &lockname

#define mutex_init(mutex)                                               \
do {                                                                    \
        static struct lock_class_key __key;                             \
                                                                        \
        __mutex_init((mutex), #mutex, &__key);                          \
} while (0)

extern void mutex_destroy(struct mutex *lock);

#endif