usr/src/uts/common/sys/refstr.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 (c) 1999 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  *
  26  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
  27  */
  28
  29 #ifndef _SYS_REFSTR_H
  30 #define _SYS_REFSTR_H
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /*
  37  * Strings with reference counts.
  38  * The 'struct refstr' definition is private to the refstr.c module.
  39  */
  40
  41 typedef struct refstr refstr_t;
  42
  43 #if     defined(_KERNEL) || defined(_FAKE_KERNEL)
  44
  45 refstr_t        *refstr_alloc(const char *);
  46 const char      *refstr_value(refstr_t *);
  47 void            refstr_hold(refstr_t *);
  48 void            refstr_rele(refstr_t *);
  49
  50 #endif  /* defined(_KERNEL) */
  51
  52 #ifdef  __cplusplus
  53 }
  54 #endif
  55
  56 #endif  /* _SYS_REFSTR_H */