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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
|
/*
* Copyright (c) 2009 Mark Heily <mark@heily.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $FreeBSD$
*/
#include "common.h"
int kqfd;
int vnode_fd;
void
test_kevent_vnode_add(void)
{
const char *test_id = "kevent(EVFILT_VNODE, EV_ADD)";
const char *testfile = "/tmp/kqueue-test.tmp";
struct kevent kev;
test_begin(test_id);
system("touch /tmp/kqueue-test.tmp");
vnode_fd = open(testfile, O_RDONLY);
if (vnode_fd < 0)
err(1, "open of %s", testfile);
else
printf("vnode_fd = %d\n", vnode_fd);
EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD,
NOTE_WRITE | NOTE_ATTRIB | NOTE_RENAME | NOTE_DELETE, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
success();
}
void
test_kevent_vnode_note_delete(void)
{
const char *test_id = "kevent(EVFILT_VNODE, NOTE_DELETE)";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_DELETE, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
if (unlink("/tmp/kqueue-test.tmp") < 0)
err(1, "unlink");
kevent_cmp(&kev, kevent_get(kqfd));
success();
}
void
test_kevent_vnode_note_write(void)
{
const char *test_id = "kevent(EVFILT_VNODE, NOTE_WRITE)";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_WRITE, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
if (system("echo hello >> /tmp/kqueue-test.tmp") < 0)
err(1, "system");
/* BSD kqueue adds NOTE_EXTEND even though it was not requested */
/* BSD kqueue removes EV_ENABLE */
kev.flags &= ~EV_ENABLE; // XXX-FIXME compatibility issue
kev.fflags |= NOTE_EXTEND; // XXX-FIXME compatibility issue
kevent_cmp(&kev, kevent_get(kqfd));
success();
}
void
test_kevent_vnode_note_attrib(void)
{
const char *test_id = "kevent(EVFILT_VNODE, NOTE_ATTRIB)";
struct kevent kev;
int nfds;
test_begin(test_id);
EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_ATTRIB, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
if (system("touch /tmp/kqueue-test.tmp") < 0)
err(1, "system");
nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL);
if (nfds < 1)
err(1, "%s", test_id);
if (kev.ident != vnode_fd ||
kev.filter != EVFILT_VNODE ||
kev.fflags != NOTE_ATTRIB)
err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)",
test_id, (unsigned int)kev.ident, kev.filter, kev.flags);
success();
}
void
test_kevent_vnode_note_rename(void)
{
const char *test_id = "kevent(EVFILT_VNODE, NOTE_RENAME)";
struct kevent kev;
int nfds;
test_begin(test_id);
EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_RENAME, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
if (system("mv /tmp/kqueue-test.tmp /tmp/kqueue-test2.tmp") < 0)
err(1, "system");
nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL);
if (nfds < 1)
err(1, "%s", test_id);
if (kev.ident != vnode_fd ||
kev.filter != EVFILT_VNODE ||
kev.fflags != NOTE_RENAME)
err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)",
test_id, (unsigned int)kev.ident, kev.filter, kev.flags);
if (system("mv /tmp/kqueue-test2.tmp /tmp/kqueue-test.tmp") < 0)
err(1, "system");
success();
}
void
test_kevent_vnode_del(void)
{
const char *test_id = "kevent(EVFILT_VNODE, EV_DELETE)";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_DELETE, 0, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
success();
}
void
test_kevent_vnode_disable_and_enable(void)
{
const char *test_id = "kevent(EVFILT_VNODE, EV_DISABLE and EV_ENABLE)";
struct kevent kev;
int nfds;
test_begin(test_id);
test_no_kevents();
/* Add the watch and immediately disable it */
EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_ATTRIB, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
kev.flags = EV_DISABLE;
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
/* Confirm that the watch is disabled */
if (system("touch /tmp/kqueue-test.tmp") < 0)
err(1, "system");
test_no_kevents();
/* Re-enable and check again */
kev.flags = EV_ENABLE;
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
if (system("touch /tmp/kqueue-test.tmp") < 0)
err(1, "system");
nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL);
if (nfds < 1)
err(1, "%s", test_id);
if (kev.ident != vnode_fd ||
kev.filter != EVFILT_VNODE ||
kev.fflags != NOTE_ATTRIB)
err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)",
test_id, (unsigned int)kev.ident, kev.filter, kev.flags);
success();
}
#if HAVE_EV_DISPATCH
void
test_kevent_vnode_dispatch(void)
{
const char *test_id = "kevent(EVFILT_VNODE, EV_DISPATCH)";
struct kevent kev;
int nfds;
test_begin(test_id);
test_no_kevents();
EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_DISPATCH, NOTE_ATTRIB, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
if (system("touch /tmp/kqueue-test.tmp") < 0)
err(1, "system");
nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL);
if (nfds < 1)
err(1, "%s", test_id);
if (kev.ident != vnode_fd ||
kev.filter != EVFILT_VNODE ||
kev.fflags != NOTE_ATTRIB)
err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)",
test_id, (unsigned int)kev.ident, kev.filter, kev.flags);
/* Confirm that the watch is disabled automatically */
puts("-- checking that watch is disabled");
if (system("touch /tmp/kqueue-test.tmp") < 0)
err(1, "system");
test_no_kevents();
/* Delete the watch */
EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_DELETE, NOTE_ATTRIB, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "remove watch failed: %s", test_id);
success();
}
#endif /* HAVE_EV_DISPATCH */
void
test_evfilt_vnode()
{
kqfd = kqueue();
test_kevent_vnode_add();
test_kevent_vnode_del();
test_kevent_vnode_disable_and_enable();
#if HAVE_EV_DISPATCH
test_kevent_vnode_dispatch();
#endif
test_kevent_vnode_note_write();
test_kevent_vnode_note_attrib();
test_kevent_vnode_note_rename();
test_kevent_vnode_note_delete();
close(kqfd);
}
|
