summaryrefslogtreecommitdiff
path: root/libnetfs/fsys-set-options.c
diff options
context:
space:
mode:
authorMiles Bader <miles@gnu.org>1996-03-05 00:34:01 +0000
committerMiles Bader <miles@gnu.org>1996-03-05 00:34:01 +0000
commit5b845f34e5dca3e87b92045c870244aaad4b875d (patch)
tree70a0c09032b843801c7d6e55f9baaf753b885c03 /libnetfs/fsys-set-options.c
parent340467a468b83e2011aaa710089d66e0177e22d9 (diff)
Initial revision
Diffstat (limited to 'libnetfs/fsys-set-options.c')
-rw-r--r--libnetfs/fsys-set-options.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/libnetfs/fsys-set-options.c b/libnetfs/fsys-set-options.c
new file mode 100644
index 00000000..465bbf32
--- /dev/null
+++ b/libnetfs/fsys-set-options.c
@@ -0,0 +1,96 @@
+/* Parse run-time options
+
+ Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd 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.
+
+ The GNU Hurd 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 <errno.h>
+#include <argz.h>
+#include <hurd/fsys.h>
+#include <string.h>
+
+#include "netfs.h"
+#include "fsys_S.h"
+
+/* This code is originally from libdiskfs; things surrounded by `#if NOT_YET'
+ are pending libnetfs being fleshed out some more. */
+
+/* Implement fsys_set_options as described in <hurd/fsys.defs>. */
+error_t
+netfs_S_fsys_set_options (fsys_t fsys,
+ char *data, mach_msg_type_number_t data_len,
+ int do_children)
+{
+ error_t err = 0;
+ struct port_info *pt =
+ ports_lookup_port (netfs_port_bucket, fsys, netfs_control_class);
+
+ error_t
+ helper (struct node *np)
+ {
+ error_t error;
+ mach_port_t control;
+
+ error = fshelp_fetch_control (&np->transbox, &control);
+ mutex_unlock (&np->lock);
+ if (!error && (control != MACH_PORT_NULL))
+ {
+ error = fsys_set_options (control, data, data_len, do_children);
+ mach_port_deallocate (mach_task_self (), control);
+ }
+ else
+ error = 0;
+ mutex_lock (&np->lock);
+
+ if ((error == MIG_SERVER_DIED) || (error == MACH_SEND_INVALID_DEST))
+ error = 0;
+
+ return error;
+ }
+
+ if (!pt)
+ return EOPNOTSUPP;
+
+#if NOT_YET
+ if (do_children)
+ {
+ rwlock_writer_lock (&netfs_fsys_lock);
+ err = netfs_node_iterate (helper);
+ rwlock_writer_unlock (&netfs_fsys_lock);
+ }
+#endif
+
+ if (!err)
+ {
+ int argc = argz_count (data, data_len);
+ char **argv = alloca (sizeof (char *) * (argc + 1));
+
+ argz_extract (data, data_len, argv);
+
+#if NOT_YET
+ rwlock_writer_lock (&netfs_fsys_lock);
+#endif
+ err = netfs_set_options (argc, argv);
+#if NOT_YET
+ rwlock_writer_unlock (&netfs_fsys_lock);
+#endif
+ }
+
+ ports_port_deref (pt);
+
+ return err;
+}