mount.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1996, 1999 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_MOUNT_H
#define _SYS_MOUNT_H
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 11.10 */
#ifdef __cplusplus
extern "C" {
#endif
/*
* Flag bits passed to mount(2).
*/
#define MS_RDONLY 0x0001 /* Read-only */
#define MS_FSS 0x0002 /* Old (4-argument) mount (compatibility) */
#define MS_DATA 0x0004 /* 6-argument mount */
#define MS_NOSUID 0x0010 /* Setuid programs disallowed */
#define MS_REMOUNT 0x0020 /* Remount */
#define MS_NOTRUNC 0x0040 /* Return ENAMETOOLONG for long filenames */
#define MS_OVERLAY 0x0080 /* Allow overlay mounts */
#define MS_OPTIONSTR 0x0100 /* Data is a an in/out option string */
#define MS_GLOBAL 0x0200 /* Clustering: Mount into global name space */
#define MS_FORCE 0x0400 /* Forced unmount */
#define MS_NOMNTTAB 0x0800 /* Don't show mount in mnttab */
/*
* Additional flag bits that domount() is prepared to interpret, but that
* can't be passed through mount(2).
*/
#define MS_SYSSPACE 0x0008 /* Mounta already in kernel space */
#define MS_NOSPLICE 0x1000 /* Don't splice fs instance into name space */
#define MS_NOCHECK 0x2000 /* Clustering: suppress mount busy checks */
/*
* Mask to sift out flag bits allowable from mount(2).
*/
#define MS_MASK \
(MS_RDONLY|MS_FSS|MS_DATA|MS_NOSUID|MS_REMOUNT|MS_NOTRUNC|MS_OVERLAY|\
MS_OPTIONSTR|MS_GLOBAL|MS_NOMNTTAB)
/*
* Mask to sift out flag bits allowable from umount2(2).
*/
#define MS_UMOUNT_MASK (MS_FORCE)
/*
* Maximum option string length accepted or returned by mount(2).
*/
#define MAX_MNTOPT_STR 1024 /* max length of mount options string */
#if defined(__STDC__) && !defined(_KERNEL)
int mount(const char *, const char *, int, ...);
int umount(const char *);
int umount2(const char *, int);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SYS_MOUNT_H */