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I'm not sure why I decided that cwdinit() shouldn't copy cwd_edir. 

Since this is called in fork() it does rather need to give the child
process the parent's emulation root.
This means that (for example) an emulated shell will, by default, run
programs from the emulation root.
This commit is contained in:
dsl 2007-04-22 18:41:49 +00:00
parent b2f88bd6f4
commit 2ad47f228f
1 changed files with 5 additions and 4 deletions
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9
sys/kern/kern_descrip.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_descrip.c,v 1.156 2007/04/22 08:30:00 dsl Exp $ */
/* $NetBSD: kern_descrip.c,v 1.157 2007/04/22 18:41:49 dsl Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_descrip.c,v 1.156 2007/04/22 08:30:00 dsl Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_descrip.c,v 1.157 2007/04/22 18:41:49 dsl Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -1060,8 +1060,9 @@ cwdinit(struct proc *p)
cwdi->cwdi_rdir = p->p_cwdi->cwdi_rdir;
if (cwdi->cwdi_rdir)
VREF(cwdi->cwdi_rdir);
/* Don't copy the emulation root */
cwdi->cwdi_edir = NULL;
cwdi->cwdi_edir = p->p_cwdi->cwdi_edir;
if (cwdi->cwdi_edir)
VREF(cwdi->cwdi_edir);
cwdi->cwdi_cmask = p->p_cwdi->cwdi_cmask;
cwdi->cwdi_refcnt = 1;