xref: /linux-6.15/include/linux/kref.h (revision db1afffa)
1 /*
2  * kref.h - library routines for handling generic reference counted objects
3  *
4  * Copyright (C) 2004 Greg Kroah-Hartman <[email protected]>
5  * Copyright (C) 2004 IBM Corp.
6  *
7  * based on kobject.h which was:
8  * Copyright (C) 2002-2003 Patrick Mochel <[email protected]>
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_init(struct kref *kref);
25 void kref_get(struct kref *kref);
26 int kref_put(struct kref *kref, void (*release) (struct kref *kref));
27 
28 #endif /* _KREF_H_ */
29