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 (c) 1992 by Sun Microsystems, Inc.
24 */
25
26#ifndef	_KSTAT_H
27#define	_KSTAT_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#include <sys/types.h>
32#include <sys/kstat.h>
33
34#ifdef	__cplusplus
35extern "C" {
36#endif
37
38/*
39 * kstat_open() returns a pointer to a kstat_ctl_t.
40 * This is used for subsequent libkstat operations.
41 */
42typedef struct kstat_ctl {
43	kid_t	kc_chain_id;	/* current kstat chain ID	*/
44	kstat_t	*kc_chain;	/* pointer to kstat chain	*/
45	int	kc_kd;		/* /dev/kstat descriptor	*/
46} kstat_ctl_t;
47
48#ifdef	__STDC__
49extern	kstat_ctl_t	*kstat_open(void);
50extern	int		kstat_close(kstat_ctl_t *);
51extern	kid_t		kstat_read(kstat_ctl_t *, kstat_t *, void *);
52extern	kid_t		kstat_write(kstat_ctl_t *, kstat_t *, void *);
53extern	kid_t		kstat_chain_update(kstat_ctl_t *);
54extern	kstat_t		*kstat_lookup(kstat_ctl_t *, char *, int, char *);
55extern	void		*kstat_data_lookup(kstat_t *, char *);
56#else
57extern	kstat_ctl_t	*kstat_open();
58extern	int		kstat_close();
59extern	kid_t		kstat_read();
60extern	kid_t		kstat_write();
61extern	kid_t		kstat_chain_update();
62extern	kstat_t		*kstat_lookup();
63extern	void		*kstat_data_lookup();
64#endif
65
66#ifdef	__cplusplus
67}
68#endif
69
70#endif	/* _KSTAT_H */
71