1/* $NetBSD: specificdata.h,v 1.4 2008/04/28 20:24:11 martin Exp $ */
2
3/*-
4 * Copyright (c) 2006 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _SYS_SPECIFICDATA_H_
33#define _SYS_SPECIFICDATA_H_
34
35#include <sys/mutex.h>
36
37typedef unsigned int specificdata_key_t;
38typedef void (*specificdata_dtor_t)(void *);
39typedef struct specificdata_domain *specificdata_domain_t;
40typedef struct specificdata_container *specificdata_container_t;
41
42typedef struct {
43 specificdata_container_t specdataref_container;
44 kmutex_t specdataref_lock;
45} specificdata_reference;
46
47specificdata_domain_t specificdata_domain_create(void);
48void specificdata_domain_delete(specificdata_domain_t);
49
50int specificdata_key_create(specificdata_domain_t,
51 specificdata_key_t *, specificdata_dtor_t);
52void specificdata_key_delete(specificdata_domain_t, specificdata_key_t);
53
54int specificdata_init(specificdata_domain_t, specificdata_reference *);
55void specificdata_fini(specificdata_domain_t, specificdata_reference *);
56
57void * specificdata_getspecific(specificdata_domain_t,
58 specificdata_reference *, specificdata_key_t);
59void * specificdata_getspecific_unlocked(specificdata_domain_t,
60 specificdata_reference *,
61 specificdata_key_t);
62void specificdata_setspecific(specificdata_domain_t,
63 specificdata_reference *, specificdata_key_t,
64 void *);
65int specificdata_setspecific_nowait(specificdata_domain_t,
66 specificdata_reference *,
67 specificdata_key_t, void *);
68
69#endif /* _SYS_SPECIFICDATA_H_ */
70