diff options
Diffstat (limited to 'libdiskfs/io-stat.c')
-rw-r--r-- | libdiskfs/io-stat.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libdiskfs/io-stat.c b/libdiskfs/io-stat.c new file mode 100644 index 00000000..e51f6d93 --- /dev/null +++ b/libdiskfs/io-stat.c @@ -0,0 +1,51 @@ +/* + 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; + + 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_translated (&np->transbox)) + statbuf->st_mode |= S_IATRANS; + if (cred->po->shadow_root == np || np == diskfs_root_node) + statbuf->st_mode |= S_IROOT; + + mutex_unlock (&np->lock); + + return 0; +} |