diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/sys/mount.h')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/sys/mount.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/sys/mount.h b/REORG.TODO/sysdeps/unix/sysv/linux/sys/mount.h new file mode 100644 index 0000000000..55424e77ea --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/sys/mount.h @@ -0,0 +1,150 @@ +/* Header file for mounting/unmount Linux filesystems. + Copyright (C) 1996-2017 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 */ |