1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _SYS_DKTP_QUEUE_H
28#define	_SYS_DKTP_QUEUE_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36struct	que_obj {
37	opaque_t		que_data;
38	struct que_objops	*que_ops;
39};
40
41struct	que_objops {
42	int	(*que_init)(struct que_data *, void *);
43	int	(*que_free)(struct que_obj *);
44	int	(*que_ins)(struct que_data *, struct buf *);
45	struct buf *(*que_del)(struct que_data *);
46	void	*que_res[2];
47};
48
49struct que_obj *qfifo_create();
50struct que_obj *qmerge_create();
51struct que_obj *qsort_create();
52struct que_obj *qtag_create();
53
54#define	QUE_INIT(X, lkarg) (*((struct que_obj *)(X))->que_ops->que_init) \
55	(((struct que_obj *)(X))->que_data, (lkarg))
56#define	QUE_FREE(X) (*((struct que_obj *)(X))->que_ops->que_free) ((X))
57#define	QUE_ADD(X, bp) (*((struct que_obj *)(X))->que_ops->que_ins) \
58	(((struct que_obj *)(X))->que_data, (bp))
59#define	QUE_DEL(X) (*((struct que_obj *)(X))->que_ops->que_del) \
60	(((struct que_obj *)(X))->que_data)
61
62#ifdef	__cplusplus
63}
64#endif
65
66#endif	/* _SYS_DKTP_QUEUE_H */
67