include/sys/mode.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 2009 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  *
  25  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
  26  */
  27
  28 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  29 /*        All Rights Reserved   */
  30
  31
  32 #ifndef _SYS_MODE_H
  33 #define _SYS_MODE_H
  34
  35 #if defined(_KERNEL)
  36
  37 #include <sys/stat.h>
  38 #include <sys/vnode.h>
  39
  40 #ifdef  __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 /*
  45  * Conversion between vnode types/modes and encoded type/mode as
  46  * seen by stat(2) and mknod(2).
  47  */
  48 extern enum vtype       iftovt_tab[];
  49 extern ushort_t         vttoif_tab[];
  50 #define IFTOVT(M)       (iftovt_tab[((M) & S_IFMT) >> 12])
  51 #define VTTOIF(T)       (vttoif_tab[(int)(T)])
  52 #define MAKEIMODE(T, M) (VTTOIF(T) | ((M) & ~S_IFMT))
  53
  54 #ifdef  __cplusplus
  55 }
  56 #endif
  57
  58 #endif  /* _KERNEL */
  59
  60 #endif  /* _SYS_MODE_H */