projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | ||
| 1da177e4 | 18 | #include <linux/types.h> |
| 1da177e4 LT |
19 | |
| 20 | struct kref { | |
| 21 | atomic_t refcount; | |
| 22 | }; | |
| 23 | ||
| 41ca28ab | 24 | void kref_set(struct kref *kref, int num); |
| 1da177e4 LT |
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 | ||
| 1da177e4 | 29 | #endif /* _KREF_H_ */ |