https://github.com/torvalds/linux
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Tip revision: 30a2f3c60a84092c8084dfe788b710f8d0768cd4 authored by Linus Torvalds on 13 August 2008, 01:55:39 UTC
Linux 2.6.27-rc3
Tip revision: 30a2f3c
kref.h
/*
 * 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_

#include <linux/types.h>
#include <asm/atomic.h>

struct kref {
	atomic_t refcount;
};

void kref_set(struct kref *kref, int num);
void kref_init(struct kref *kref);
void kref_get(struct kref *kref);
int kref_put(struct kref *kref, void (*release) (struct kref *kref));

#endif /* _KREF_H_ */
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