usr/src/uts/common/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, 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 */