| /* |
| * kref.h - 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> |
| |
| struct kref { |
| atomic_t refcount; |
| }; |
| |
| void kref_init(struct kref *kref); |
| void kref_get(struct kref *kref); |
| int kref_put(struct kref *kref, void (*release) (struct kref *kref)); |
| int kref_sub(struct kref *kref, unsigned int count, |
| void (*release) (struct kref *kref)); |
| |
| #endif /* _KREF_H_ */ |
