1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* 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)
{
#if NOT_YET
rwlock_writer_lock (&netfs_fsys_lock);
#endif
err = netfs_set_options (data, data_len);
#if NOT_YET
rwlock_writer_unlock (&netfs_fsys_lock);
#endif
}
ports_port_deref (pt);
return err;
}
|
