Problem in extracting yocto SDK for docker Post: 303019784

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LEARN ABOUT REDHAT

chroot

CHROOT(2)						     Linux Programmer's Manual							 CHROOT(2)

NAME

       chroot - change root directory

SYNOPSIS

       #include <unistd.h>

       int chroot(const char *path);

DESCRIPTION

       chroot changes the root directory to that specified in path.  This directory will be used for path names beginning with /.  The root direc-
       tory is inherited by all children of the current process.

       Only the super-user may change the root directory.

       Note that this call does not change the current working directory, so that `.' can be outside the tree rooted at `/'.  In  particular,  the
       super-user can escape from a `chroot jail' by doing `mkdir foo; chroot foo; cd ..'.

RETURN VALUE

       On success, zero is returned.  On error, -1 is returned, and errno is set appropriately.

ERRORS

       Depending on the file system, other errors can be returned.  The more general errors are listed below:

       EPERM  The effective UID is not zero.

       EFAULT path points outside your accessible address space.

       ENAMETOOLONG
	      path is too long.

       ENOENT The file does not exist.

       ENOMEM Insufficient kernel memory was available.

       ENOTDIR
	      A component of path is not a directory.

       EACCES Search permission is denied on a component of the path prefix.

       ELOOP  Too many symbolic links were encountered in resolving path.

       EIO    An I/O error occurred.

CONFORMING TO

       SVr4,  SVID,  4.4BSD,  X/OPEN.	This function is not part of POSIX.1.  SVr4 documents additional EINTR, ENOLINK and EMULTIHOP error condi-
       tions.  X/OPEN does not document EIO, ENOMEM or EFAULT error conditions.  This interface is marked as legacy by X/OPEN.

SEE ALSO

       chdir(2)

Linux 2.0.30							    1997-08-21								 CHROOT(2)