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/*
Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "priv.h"
#include "io_S.h"
#include <string.h>
/* Implement io_stat as described in <hurd/io.defs>. */
kern_return_t
diskfs_S_io_stat (struct protid *cred,
io_statbuf_t *statbuf)
{
struct node *np;
mach_port_t atrans;
if (!cred)
return EOPNOTSUPP;
np = cred->po->np;
mutex_lock (&np->lock);
iohelp_get_conch (&np->conch);
if (diskfs_synchronous)
diskfs_node_update (np, 1);
else
diskfs_set_node_times (np);
bcopy (&np->dn_stat, statbuf, sizeof (struct stat));
statbuf->st_mode &= ~(S_IATRANS | S_IROOT);
if (fshelp_fetch_control (&np->transbox, &atrans) == 0
&& atrans != MACH_PORT_NULL)
{
statbuf->st_mode |= S_IATRANS;
mach_port_deallocate (mach_task_self (), atrans);
}
if (cred->po->shadow_root == np || np == diskfs_root_node)
statbuf->st_mode |= S_IROOT;
mutex_unlock (&np->lock);
return 0;
}
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