xref: /illumos-gate/usr/src/uts/common/sys/id_space.h (revision 6446bd46ed1b4e9f69da153665f82181ccaedad5)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
23  * Copyright (c) 2014, Joyent, Inc.  All Rights reserved.
24  */
25 
26 #ifndef	_ID_SPACE_H
27 #define	_ID_SPACE_H
28 
29 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 #include <sys/param.h>
34 #include <sys/types.h>
35 #include <sys/mutex.h>
36 #include <sys/vmem.h>
37 
38 typedef vmem_t id_space_t;
39 
40 id_space_t *id_space_create(const char *, id_t, id_t);
41 void id_space_destroy(id_space_t *);
42 void id_space_extend(id_space_t *, id_t, id_t);
43 id_t id_alloc(id_space_t *);
44 id_t id_alloc_nosleep(id_space_t *);
45 id_t id_allocff(id_space_t *);
46 id_t id_allocff_nosleep(id_space_t *);
47 id_t id_alloc_specific_nosleep(id_space_t *, id_t);
48 void id_free(id_space_t *, id_t);
49 
50 #ifdef	__cplusplus
51 }
52 #endif
53 
54 #endif	/* _ID_SPACE_H */
55