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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2002-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/sysevent.h>
#include <sys/sysevent_impl.h>
#include <libsysevent.h>
#include <libsysevent_impl.h>
#include "../genunix/sysevent.h"
int
sysevent(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
if ((flags & DCMD_ADDRSPEC) == 0)
return (DCMD_USAGE);
if ((flags & DCMD_LOOP) == 0) {
if (mdb_pwalk_dcmd("sysevent", "sysevent", argc, argv,
addr) == -1) {
mdb_warn("can't walk sysevent queue");
return (DCMD_ERR);
}
return (DCMD_OK);
}
return (sysevent_buf(addr, flags, 0));
}
/*ARGSUSED*/
int
sysevent_handle(uintptr_t addr, uint_t flags, int argc,
const mdb_arg_t *argv)
{
ssize_t channel_name_sz;
char channel_name[CLASS_LIST_FIELD_MAX];
subscriber_priv_t sub;
sysevent_impl_hdl_t sysevent_hdl;
if ((flags & DCMD_ADDRSPEC) == 0)
return (DCMD_USAGE);
if (argc != 0)
return (DCMD_USAGE);
if (mdb_vread(&sysevent_hdl, sizeof (sysevent_hdl),
(uintptr_t)addr) == -1) {
mdb_warn("failed to read sysevent handle at %p", addr);
return (DCMD_ERR);
}
if ((channel_name_sz = mdb_readstr(channel_name, CLASS_LIST_FIELD_MAX,
(uintptr_t)sysevent_hdl.sh_channel_name)) == -1) {
mdb_warn("failed to read channel name at %p",
sysevent_hdl.sh_channel_name);
return (DCMD_ERR);
}
if (channel_name_sz >= CLASS_LIST_FIELD_MAX - 1)
(void) strcpy(&channel_name[CLASS_LIST_FIELD_MAX - 4], "...");
if (sysevent_hdl.sh_type == SUBSCRIBER) {
if (mdb_vread(&sub, sizeof (sub),
(uintptr_t)sysevent_hdl.sh_priv_data) == -1) {
mdb_warn("failed to read sysevent handle at %p", addr);
return (DCMD_ERR);
}
if (DCMD_HDRSPEC(flags))
mdb_printf("%<u>%-?s %-24s %-13s %-5s %-?s"
"%</u>\n", "ADDR", "NAME", "TYPE", "ID",
"EVENT QUEUE ADDR");
mdb_printf("%-?p %-24s %-13s %-5lu %-?p\n",
addr, channel_name, "SUBSCRIBER", sysevent_hdl.sh_id,
(uintptr_t)sub.sp_evq_head);
} else {
if (DCMD_HDRSPEC(flags))
mdb_printf("%<u>%-?s %-24s %-13s %-5s %-?s"
"%</u>\n", "ADDR", "NAME",
"TYPE", "ID", "CLASS LIST ADDR");
mdb_printf("%-?p %-24s %-13s %-5lu %-?p\n",
addr, channel_name, "PUBLISHER", sysevent_hdl.sh_id,
(uintptr_t)sysevent_hdl.sh_priv_data +
offsetof(publisher_priv_t, pp_class_hash));
}
return (DCMD_OK);
}
static const mdb_dcmd_t dcmds[] = {
{ "sysevent", "?[-v]", "print the contents of a sysevent queue",
sysevent},
{ "sysevent_handle", ":", "print sysevent subscriber/publisher handle",
sysevent_handle},
{ "sysevent_class_list", ":", "print sysevent class list",
sysevent_class_list },
{ "sysevent_subclass_list", ":", "print sysevent subclass list",
sysevent_subclass_list },
{ NULL }
};
int
sysevent_walk_init(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == 0) {
mdb_warn("sysevent does not support global walks");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
sysevent_walk_step(mdb_walk_state_t *wsp)
{
int status;
sysevent_queue_t se_q;
if (wsp->walk_addr == 0)
return (WALK_DONE);
if (mdb_vread(&se_q, sizeof (se_q), wsp->walk_addr) == -1) {
mdb_warn("failed to read sysevent queue at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback((uintptr_t)se_q.sq_ev, NULL,
wsp->walk_cbdata);
wsp->walk_addr = (uintptr_t)se_q.sq_next;
return (status);
}
static const mdb_walker_t walkers[] = {
{ "sysevent", "walk sysevent buffer queue",
sysevent_walk_init, sysevent_walk_step,
NULL },
{ "sysevent_class_list", "walk sysevent subsccription class list",
sysevent_class_list_walk_init, sysevent_class_list_walk_step,
sysevent_class_list_walk_fini },
{ "sysevent_subclass_list", "walk sysevent subsccription subclass list",
sysevent_subclass_list_walk_init,
sysevent_subclass_list_walk_step, NULL },
{ NULL }
};
static const mdb_modinfo_t modinfo = {
MDB_API_VERSION, dcmds, walkers
};
const mdb_modinfo_t *
_mdb_init(void)
{
return (&modinfo);
}
|
