1/*
2 * kref.c - library routines for handling generic reference counted objects
3 *
4 * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
5 * Copyright (C) 2004 IBM Corp.
6 *
7 * based on kobject.h which was:
8 * Copyright (C) 2002-2003 Patrick Mochel <mochel@osdl.org>
9 * Copyright (C) 2002-2003 Open Source Development Labs
10 *
11 * This file is released under the GPLv2.
12 *
13 */
14
15#ifndef _KREF_H_
16#define _KREF_H_
17
18#ifdef __KERNEL__
19
20#include <linux/types.h>
21#include <asm/atomic.h>
22
23struct kref {
24	atomic_t refcount;
25};
26
27void kref_init(struct kref *kref);
28void kref_get(struct kref *kref);
29int kref_put(struct kref *kref, void (*release) (struct kref *kref));
30
31#endif /* __KERNEL__ */
32#endif /* _KREF_H_ */
33