Line data Source code
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 : #include <linux/types.h>
19 :
20 : struct kref {
21 : atomic_t refcount;
22 : };
23 :
24 : void kref_set(struct kref *kref, int num);
25 : void kref_init(struct kref *kref);
26 : void kref_get(struct kref *kref);
27 : int kref_put(struct kref *kref, void (*release) (struct kref *kref));
28 2 :
29 : #endif /* _KREF_H_ */
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