xref: /illumos-gate/usr/src/uts/common/sys/id_space.h (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
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 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_ID_SPACE_H
28 #define	_ID_SPACE_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #include <sys/param.h>
37 #include <sys/types.h>
38 #include <sys/mutex.h>
39 #include <sys/vmem.h>
40 
41 #ifdef _KERNEL
42 
43 typedef vmem_t id_space_t;
44 
45 id_space_t *id_space_create(const char *, id_t, id_t);
46 void id_space_destroy(id_space_t *);
47 void id_space_extend(id_space_t *, id_t, id_t);
48 id_t id_alloc(id_space_t *);
49 id_t id_alloc_nosleep(id_space_t *);
50 void id_free(id_space_t *, id_t);
51 
52 #endif /* _KERNEL */
53 
54 #ifdef	__cplusplus
55 }
56 #endif
57 
58 #endif	/* _ID_SPACE_H */
59