xref: /titanic_51/usr/src/uts/common/sys/id_space.h (revision a0aa776e20803c84edd153d9cb584fd67163aef3)
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 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
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 #ifdef _KERNEL
39 
40 typedef vmem_t id_space_t;
41 
42 id_space_t *id_space_create(const char *, id_t, id_t);
43 void id_space_destroy(id_space_t *);
44 void id_space_extend(id_space_t *, id_t, id_t);
45 id_t id_alloc(id_space_t *);
46 id_t id_alloc_nosleep(id_space_t *);
47 id_t id_allocff(id_space_t *);
48 id_t id_allocff_nosleep(id_space_t *);
49 void id_free(id_space_t *, id_t);
50 
51 #endif /* _KERNEL */
52 
53 #ifdef	__cplusplus
54 }
55 #endif
56 
57 #endif	/* _ID_SPACE_H */
58