summaryrefslogtreecommitdiff
path: root/include/sys
diff options
context:
space:
mode:
Diffstat (limited to 'include/sys')
-rw-r--r--include/sys/mount.h107
1 files changed, 99 insertions, 8 deletions
diff --git a/include/sys/mount.h b/include/sys/mount.h
index a0765e2ee..862c1f040 100644
--- a/include/sys/mount.h
+++ b/include/sys/mount.h
@@ -1,17 +1,108 @@
+/* Header file for mounting/unmount Linux filesystems.
+ Copyright (C) 1996, 1997, 1998 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* This is taken from /usr/include/linux/fs.h. */
+
#ifndef _SYS_MOUNT_H
-#define _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
+ S_WRITE = 128, /* Write on file/directory/symlink. */
+#define S_WRITE S_WRITE
+ S_APPEND = 256, /* Append-only file. */
+#define S_APPEND S_APPEND
+ S_IMMUTABLE = 512, /* Immutable file. */
+#define S_IMMUTABLE S_IMMUTABLE
+ 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
+};
+
+/* Flags that can be altered by MS_REMOUNT */
+#define MS_RMT_MASK (MS_RDONLY | MS_MANDLOCK)
+
+
+/* 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. */
+
+
+/* Possible value for FLAGS parameter of `umount2'. */
+enum
+{
+ MNT_FORCE = 1 /* Force unmounting. */
+#define MNT_FORCE MNT_FORCE
+};
+
__BEGIN_DECLS
-extern int mount __P ((__const char* __specialfile,
- __const char* __dir,__const char* __filesystemype,
- unsigned long __rwflag,__const void *__data));
+/* Mount a filesystem. */
+extern int mount __P ((__const char *__special_file, __const char *__dir,
+ __const char *__fstype, unsigned long int __rwflag,
+ __const void *__data));
+
+/* Unmount a filesystem. */
+extern int umount __P ((__const char *__special_file));
+
+/* Unmount a filesystem. Force unmounting if FLAGS is set to MNT_FORCE. */
+extern int umount2 __P ((__const char *__special_file, int __flags));
-extern int umount __P ((__const char* __specialfile));
-
-
__END_DECLS
-#endif
+#endif /* _SYS_MOUNT_H */