9ns: Implement chdir/fchdir
authorBarret Rhoden <brho@cs.berkeley.edu>
Tue, 6 Mar 2018 19:20:55 +0000 (11:20 -0800)
committerBarret Rhoden <brho@cs.berkeley.edu>
Mon, 30 Apr 2018 18:31:44 +0000 (14:31 -0400)
commit33d3b9bdba77d6dd6e5f498fd7cd5a6a112e4b2c
treed63a6a392b2aff3ed6d8d7beb50368b412fb8edc
parent0129a3bae4e5c831946f93a3f75b520b98d35532
9ns: Implement chdir/fchdir

You won't be able to use it easily, since the VFS will still get first
dibs on lookups.

Signed-off-by: Barret Rhoden <brho@cs.berkeley.edu>
kern/include/ns.h
kern/src/ns/pgrp.c
kern/src/ns/sysfile.c
kern/src/syscall.c