Manual page for CHROOT(2)
chroot - change root directory
SYNOPSIS
chroot(dirname)
char *dirname;
DESCRIPTION
Dirname
is the address of the pathname of a directory, terminated by a null byte.
Chroot
causes this directory
to become the root directory,
the starting point for path names beginning with ``/''.
In order for a directory to become the root directory
a process must have execute (search) access to the directory.
This call is restricted to the super-user.
RETURN VALUE
Upon successful completion, a value of 0 is returned. Otherwise,
a value of -1 is returned and errno is set to indicate an error.
ERRORS
Chroot
will fail and the root directory will be unchanged if
one or more of the following are true:
- [ENOTDIR]
-
A component of the path name is not a directory.
- [EINVAL]
-
The pathname contains a character with the high-order bit set.
- [ENAMETOOLONG]
-
A component of a pathname exceeded 255 characters,
or an entire path name exceeded 1023 characters.
- [ENOENT]
-
The named directory does not exist.
- [EACCES]
-
Search permission is denied for any component of the path name.
- [ELOOP]
-
Too many symbolic links were encountered in translating the pathname.
- [EFAULT]
-
Path
points outside the process's allocated address space.
- [EIO]
-
An I/O error occurred while reading from or writing to the file system.
SEE ALSO
chdir(2)
Created by unroff & hp-tools.
© somebody (See intro for details). All Rights Reserved.
Last modified 11/5/97
