/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2012, 2015 by Delphix. All rights reserved.
*/
#ifndef _SYS_REFCOUNT_H
#define _SYS_REFCOUNT_H
#include <sys/inttypes.h>
#include <sys/zfs_context.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* If the reference is held only by the calling function and not any
* particular object, use FTAG (which is a string) for the holder_tag.
* Otherwise, use the object that holds the reference.
*/
#ifdef ZFS_DEBUG
typedef struct reference {
void *ref_holder;
} reference_t;
typedef struct refcount {
} refcount_t;
/* Note: refcount_t must be initialized with refcount_create[_untracked]() */
void refcount_transfer_ownership(refcount_t *, void *, void *);
void refcount_init(void);
void refcount_fini(void);
#else /* ZFS_DEBUG */
typedef struct refcount {
} refcount_t;
}
#define refcount_init()
#define refcount_fini()
#endif /* ZFS_DEBUG */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_REFCOUNT_H */