2005-04-17 02:20:36 +04:00
|
|
|
/*
|
|
|
|
|
* kref.c - library routines for handling generic reference counted objects
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
|
|
|
|
|
* Copyright (C) 2004 IBM Corp.
|
|
|
|
|
*
|
|
|
|
|
* based on kobject.h which was:
|
|
|
|
|
* Copyright (C) 2002-2003 Patrick Mochel <mochel@osdl.org>
|
|
|
|
|
* Copyright (C) 2002-2003 Open Source Development Labs
|
|
|
|
|
*
|
|
|
|
|
* This file is released under the GPLv2.
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef _KREF_H_
|
|
|
|
|
#define _KREF_H_
|
|
|
|
|
|
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
|
|
|
|
|
|
#include <linux/types.h>
|
|
|
|
|
#include <asm/atomic.h>
|
|
|
|
|
|
|
|
|
|
struct kref {
|
|
|
|
|
atomic_t refcount;
|
|
|
|
|
};
|
|
|
|
|
|
2007-12-10 23:03:43 +03:00
|
|
|
void kref_set(struct kref *kref, int num);
|
2005-04-17 02:20:36 +04:00
|
|
|
void kref_init(struct kref *kref);
|
|
|
|
|
void kref_get(struct kref *kref);
|
|
|
|
|
int kref_put(struct kref *kref, void (*release) (struct kref *kref));
|
|
|
|
|
|
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
|
#endif /* _KREF_H_ */
|
