diff options
author | Miles Bader <miles@gnu.org> | 1996-03-05 00:34:01 +0000 |
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committer | Miles Bader <miles@gnu.org> | 1996-03-05 00:34:01 +0000 |
commit | 5b845f34e5dca3e87b92045c870244aaad4b875d (patch) | |
tree | 70a0c09032b843801c7d6e55f9baaf753b885c03 /libnetfs/fsys-set-options.c | |
parent | 340467a468b83e2011aaa710089d66e0177e22d9 (diff) |
Initial revision
Diffstat (limited to 'libnetfs/fsys-set-options.c')
-rw-r--r-- | libnetfs/fsys-set-options.c | 96 |
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; +} |