/* * kref.h - library routines for handling generic reference counted objects * * Copyright (C) 2004 Greg Kroah-Hartman * Copyright (C) 2004 IBM Corp. * * based on kobject.h which was: * Copyright (C) 2002-2003 Patrick Mochel * Copyright (C) 2002-2003 Open Source Development Labs * * This file is released under the GPLv2. * */ #ifndef _KREF_H_ #define _KREF_H_ #include #include #include #include #include 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_ */