--- /dev/null
+/* Header file for mounting/unmount Linux filesystems.
+ Copyright (C) 1996-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* This is taken from /usr/include/linux/fs.h. */
+
+#ifndef _SYS_MOUNT_H
+#define _SYS_MOUNT_H 1
+
+#include <features.h>
+#include <sys/ioctl.h>
+
+#define BLOCK_SIZE 1024
+#define BLOCK_SIZE_BITS 10
+
+
+/* These are the fs-independent mount-flags: up to 16 flags are
+ supported */
+enum
+{
+ MS_RDONLY = 1, /* Mount read-only. */
+#define MS_RDONLY MS_RDONLY
+ MS_NOSUID = 2, /* Ignore suid and sgid bits. */
+#define MS_NOSUID MS_NOSUID
+ MS_NODEV = 4, /* Disallow access to device special files. */
+#define MS_NODEV MS_NODEV
+ MS_NOEXEC = 8, /* Disallow program execution. */
+#define MS_NOEXEC MS_NOEXEC
+ MS_SYNCHRONOUS = 16, /* Writes are synced at once. */
+#define MS_SYNCHRONOUS MS_SYNCHRONOUS
+ MS_REMOUNT = 32, /* Alter flags of a mounted FS. */
+#define MS_REMOUNT MS_REMOUNT
+ MS_MANDLOCK = 64, /* Allow mandatory locks on an FS. */
+#define MS_MANDLOCK MS_MANDLOCK
+ MS_DIRSYNC = 128, /* Directory modifications are synchronous. */
+#define MS_DIRSYNC MS_DIRSYNC
+ MS_NOATIME = 1024, /* Do not update access times. */
+#define MS_NOATIME MS_NOATIME
+ MS_NODIRATIME = 2048, /* Do not update directory access times. */
+#define MS_NODIRATIME MS_NODIRATIME
+ MS_BIND = 4096, /* Bind directory at different place. */
+#define MS_BIND MS_BIND
+ MS_MOVE = 8192,
+#define MS_MOVE MS_MOVE
+ MS_REC = 16384,
+#define MS_REC MS_REC
+ MS_SILENT = 32768,
+#define MS_SILENT MS_SILENT
+ MS_POSIXACL = 1 << 16, /* VFS does not apply the umask. */
+#define MS_POSIXACL MS_POSIXACL
+ MS_UNBINDABLE = 1 << 17, /* Change to unbindable. */
+#define MS_UNBINDABLE MS_UNBINDABLE
+ MS_PRIVATE = 1 << 18, /* Change to private. */
+#define MS_PRIVATE MS_PRIVATE
+ MS_SLAVE = 1 << 19, /* Change to slave. */
+#define MS_SLAVE MS_SLAVE
+ MS_SHARED = 1 << 20, /* Change to shared. */
+#define MS_SHARED MS_SHARED
+ MS_RELATIME = 1 << 21, /* Update atime relative to mtime/ctime. */
+#define MS_RELATIME MS_RELATIME
+ MS_KERNMOUNT = 1 << 22, /* This is a kern_mount call. */
+#define MS_KERNMOUNT MS_KERNMOUNT
+ MS_I_VERSION = 1 << 23, /* Update inode I_version field. */
+#define MS_I_VERSION MS_I_VERSION
+ MS_STRICTATIME = 1 << 24, /* Always perform atime updates. */
+#define MS_STRICTATIME MS_STRICTATIME
+ MS_LAZYTIME = 1 << 25, /* Update the on-disk [acm]times lazily. */
+#define MS_LAZYTIME MS_LAZYTIME
+ MS_ACTIVE = 1 << 30,
+#define MS_ACTIVE MS_ACTIVE
+ MS_NOUSER = 1 << 31
+#define MS_NOUSER MS_NOUSER
+};
+
+/* Flags that can be altered by MS_REMOUNT */
+#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION \
+ |MS_LAZYTIME)
+
+
+/* Magic mount flag number. Has to be or-ed to the flag values. */
+
+#define MS_MGC_VAL 0xc0ed0000 /* Magic flag number to indicate "new" flags */
+#define MS_MGC_MSK 0xffff0000 /* Magic flag number mask */
+
+
+/* The read-only stuff doesn't really belong here, but any other place
+ is probably as bad and I don't want to create yet another include
+ file. */
+
+#define BLKROSET _IO(0x12, 93) /* Set device read-only (0 = read-write). */
+#define BLKROGET _IO(0x12, 94) /* Get read-only status (0 = read_write). */
+#define BLKRRPART _IO(0x12, 95) /* Re-read partition table. */
+#define BLKGETSIZE _IO(0x12, 96) /* Return device size. */
+#define BLKFLSBUF _IO(0x12, 97) /* Flush buffer cache. */
+#define BLKRASET _IO(0x12, 98) /* Set read ahead for block device. */
+#define BLKRAGET _IO(0x12, 99) /* Get current read ahead setting. */
+#define BLKFRASET _IO(0x12,100) /* Set filesystem read-ahead. */
+#define BLKFRAGET _IO(0x12,101) /* Get filesystem read-ahead. */
+#define BLKSECTSET _IO(0x12,102) /* Set max sectors per request. */
+#define BLKSECTGET _IO(0x12,103) /* Get max sectors per request. */
+#define BLKSSZGET _IO(0x12,104) /* Get block device sector size. */
+#define BLKBSZGET _IOR(0x12,112,size_t)
+#define BLKBSZSET _IOW(0x12,113,size_t)
+#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size. */
+
+
+/* Possible value for FLAGS parameter of `umount2'. */
+enum
+{
+ MNT_FORCE = 1, /* Force unmounting. */
+#define MNT_FORCE MNT_FORCE
+ MNT_DETACH = 2, /* Just detach from the tree. */
+#define MNT_DETACH MNT_DETACH
+ MNT_EXPIRE = 4, /* Mark for expiry. */
+#define MNT_EXPIRE MNT_EXPIRE
+ UMOUNT_NOFOLLOW = 8 /* Don't follow symlink on umount. */
+#define UMOUNT_NOFOLLOW UMOUNT_NOFOLLOW
+};
+
+
+__BEGIN_DECLS
+
+/* Mount a filesystem. */
+extern int mount (const char *__special_file, const char *__dir,
+ const char *__fstype, unsigned long int __rwflag,
+ const void *__data) __THROW;
+
+/* Unmount a filesystem. */
+extern int umount (const char *__special_file) __THROW;
+
+/* Unmount a filesystem. Force unmounting if FLAGS is set to MNT_FORCE. */
+extern int umount2 (const char *__special_file, int __flags) __THROW;
+
+__END_DECLS
+
+#endif /* _SYS_MOUNT_H */
projects / cross.git / blobdiff