queue: Log 'last' ptr in addition to 'head'
[dragonfly.git] / sys / libprop / prop_object.h
1 /*      $NetBSD: prop_object.h,v 1.8 2008/12/05 13:11:41 ad 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 _PROPLIB_PROP_OBJECT_H_
33 #define _PROPLIB_PROP_OBJECT_H_
34
35 #include <sys/types.h>
36
37 #include <sys/stdbool.h>
38
39 typedef void *prop_object_t;
40
41 typedef enum {
42         PROP_TYPE_UNKNOWN       =       0x00000000,
43 #ifndef _PROPLIB_ZFS_CONFLICT
44         PROP_TYPE_BOOL          =       0x626f6f6c,     /* 'bool' */
45         PROP_TYPE_NUMBER        =       0x6e6d6272,     /* 'nmbr' */
46         PROP_TYPE_STRING        =       0x73746e67,     /* 'stng' */
47         PROP_TYPE_DATA          =       0x64617461,     /* 'data' */
48         PROP_TYPE_ARRAY         =       0x61726179,     /* 'aray' */
49         PROP_TYPE_DICTIONARY    =       0x64696374,     /* 'dict' */
50         PROP_TYPE_DICT_KEYSYM   =       0x646b6579      /* 'dkey' */
51 #endif  /* !_PROPLIB_ZFS_CONFLICT */
52 } prop_type_t;
53
54 __BEGIN_DECLS
55 void            prop_object_retain(prop_object_t);
56 void            prop_object_release(prop_object_t);
57
58 prop_type_t     prop_object_type(prop_object_t);
59
60 bool            prop_object_equals(prop_object_t, prop_object_t);
61 bool            prop_object_equals_with_error(prop_object_t, prop_object_t, bool *);
62
63 typedef struct _prop_object_iterator *prop_object_iterator_t;
64
65 prop_object_t   prop_object_iterator_next(prop_object_iterator_t);
66 void            prop_object_iterator_reset(prop_object_iterator_t);
67 void            prop_object_iterator_release(prop_object_iterator_t);
68 __END_DECLS
69
70 #endif /* _PROPLIB_PROP_OBJECT_H_ */