include/sys/id_space.h

   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  */
  24
  25 #ifndef _ID_SPACE_H
  26 #define _ID_SPACE_H
  27
  28 #ifdef  __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 #include <sys/param.h>
  33 #include <sys/types.h>
  34 #include <sys/mutex.h>
  35 #include <sys/vmem.h>
  36
  37 #ifdef _KERNEL
  38
  39 typedef vmem_t id_space_t;
  40
  41 id_space_t *id_space_create(const char *, id_t, id_t);
  42 void id_space_destroy(id_space_t *);
  43 void id_space_extend(id_space_t *, id_t, id_t);
  44 id_t id_alloc(id_space_t *);
  45 id_t id_alloc_nosleep(id_space_t *);
  46 id_t id_allocff(id_space_t *);
  47 id_t id_allocff_nosleep(id_space_t *);
  48 id_t id_alloc_specific_nosleep(id_space_t *, id_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 */