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
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
Copyright (C) 1994, 95, 96, 97, 98 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 the GNU Hurd; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Written by Michael I. Bushnell. */
#include "priv.h"
#include <device/device.h>
#include <hurd/fsys.h>
#include <stdio.h>
#include <maptime.h>
mach_port_t diskfs_default_pager;
mach_port_t diskfs_auth_server_port;
volatile struct mapped_time_value *diskfs_mtime;
mach_port_t diskfs_fsys_identity;
int _diskfs_nosuid = 0, _diskfs_noexec = 0;
struct hurd_port _diskfs_exec_portcell;
spin_lock_t diskfs_node_refcnt_lock = SPIN_LOCK_INITIALIZER;
spin_lock_t _diskfs_control_lock = SPIN_LOCK_INITIALIZER;
int _diskfs_ncontrol_ports = 0;
struct port_class *diskfs_protid_class;
struct port_class *diskfs_control_class;
struct port_class *diskfs_initboot_class;
struct port_class *diskfs_execboot_class;
struct port_class *diskfs_shutdown_notification_class;
struct port_bucket *diskfs_port_bucket;
/* Call this after arguments have been parsed to initialize the
library. */
error_t
diskfs_init_diskfs (void)
{
error_t err;
if (diskfs_boot_flags)
/* This is a boot filesystem, we have to do some things specially. */
{
mach_port_t host;
err = get_privileged_ports (&host, 0);
if (! err)
{
diskfs_default_pager = MACH_PORT_NULL;
err = vm_set_default_memory_manager (host, &diskfs_default_pager);
mach_port_deallocate (mach_task_self (), host);
if (!err)
err = maptime_map (1, 0, &diskfs_mtime);
}
}
else
err = maptime_map (0, 0, &diskfs_mtime);
if (err)
return err;
err = mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE,
&diskfs_fsys_identity);
if (err)
return err;
diskfs_auth_server_port = getauth ();
diskfs_protid_class = ports_create_class (diskfs_protid_rele, 0);
diskfs_control_class = ports_create_class (_diskfs_control_clean, 0);
diskfs_initboot_class = ports_create_class (0, 0);
diskfs_execboot_class = ports_create_class (0, 0);
diskfs_shutdown_notification_class = ports_create_class (0, 0);
diskfs_port_bucket = ports_create_bucket ();
_hurd_port_init (&_diskfs_exec_portcell, MACH_PORT_NULL);
return 0;
}
void
_diskfs_control_clean (void *arg __attribute__ ((unused)))
{
spin_lock (&_diskfs_control_lock);
_diskfs_ncontrol_ports--;
spin_unlock (&_diskfs_control_lock);
}
|
