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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 2014 Garrett D'Amore <garrett@damore.org> 28 * 29 * Copyright (c) 1996, 1999 by Sun Microsystems, Inc. 30 * All rights reserved. 31 */ 32 33 #ifndef _SYS_MOUNT_H 34 #define _SYS_MOUNT_H 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 /* 41 * Flag bits passed to mount(2). 42 */ 43 #define MS_RDONLY 0x0001 /* Read-only */ 44 #define MS_FSS 0x0002 /* Old (4-argument) mount (compatibility) */ 45 #define MS_DATA 0x0004 /* 6-argument mount */ 46 #define MS_NOSUID 0x0010 /* Setuid programs disallowed */ 47 #define MS_REMOUNT 0x0020 /* Remount */ 48 #define MS_NOTRUNC 0x0040 /* Return ENAMETOOLONG for long filenames */ 49 #define MS_OVERLAY 0x0080 /* Allow overlay mounts */ 50 #define MS_OPTIONSTR 0x0100 /* Data is a an in/out option string */ 51 #define MS_GLOBAL 0x0200 /* Clustering: Mount into global name space */ 52 #define MS_FORCE 0x0400 /* Forced unmount */ 53 #define MS_NOMNTTAB 0x0800 /* Don't show mount in mnttab */ 54 /* 55 * Additional flag bits that domount() is prepared to interpret, but that 56 * can't be passed through mount(2). 57 */ 58 #define MS_SYSSPACE 0x0008 /* Mounta already in kernel space */ 59 #define MS_NOSPLICE 0x1000 /* Don't splice fs instance into name space */ 60 #define MS_NOCHECK 0x2000 /* Clustering: suppress mount busy checks */ 61 /* 62 * MS_CRYPT indicates that encryption keys should be loaded if they are not 63 * already available. This is not defined in glibc, but it is never seen by 64 * the kernel so it will not cause any problems. 65 */ 66 #define MS_CRYPT 0x4000 67 /* 68 * Mask to sift out flag bits allowable from mount(2). 69 */ 70 #define MS_MASK \ 71 (MS_RDONLY|MS_FSS|MS_DATA|MS_NOSUID|MS_REMOUNT|MS_NOTRUNC|MS_OVERLAY|\ 72 MS_OPTIONSTR|MS_GLOBAL|MS_NOMNTTAB) 73 74 /* 75 * Mask to sift out flag bits allowable from umount2(2). 76 */ 77 78 #define MS_UMOUNT_MASK (MS_FORCE) 79 80 /* 81 * Maximum option string length accepted or returned by mount(2). 82 */ 83 #define MAX_MNTOPT_STR 1024 /* max length of mount options string */ 84 85 #if !defined(_KERNEL) 86 int mount(const char *, const char *, int, ...); 87 int umount(const char *); 88 int umount2(const char *, int); 89 #endif 90 91 #ifdef __cplusplus 92 } 93 #endif 94 95 #endif /* _SYS_MOUNT_H */ 96