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
|
/*
* 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;
void
test_kevent_signal_add(void)
{
const char *test_id = "kevent(EVFILT_SIGNAL, EV_ADD)";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
success();
}
void
test_kevent_signal_get(void)
{
const char *test_id = "kevent(EVFILT_SIGNAL, wait)";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
/* Block SIGUSR1, then send it to ourselves */
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGUSR1);
if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
err(1, "sigprocmask");
if (kill(getpid(), SIGUSR1) < 0)
err(1, "kill");
kev.flags |= EV_CLEAR;
kev.data = 1;
kevent_cmp(&kev, kevent_get(kqfd));
success();
}
void
test_kevent_signal_disable(void)
{
const char *test_id = "kevent(EVFILT_SIGNAL, EV_DISABLE)";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_DISABLE, 0, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
/* Block SIGUSR1, then send it to ourselves */
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGUSR1);
if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
err(1, "sigprocmask");
if (kill(getpid(), SIGUSR1) < 0)
err(1, "kill");
test_no_kevents();
success();
}
void
test_kevent_signal_enable(void)
{
const char *test_id = "kevent(EVFILT_SIGNAL, EV_ENABLE)";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ENABLE, 0, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
/* Block SIGUSR1, then send it to ourselves */
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGUSR1);
if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
err(1, "sigprocmask");
if (kill(getpid(), SIGUSR1) < 0)
err(1, "kill");
kev.flags = EV_ADD | EV_CLEAR;
#if LIBKQUEUE
kev.data = 1; /* WORKAROUND */
#else
kev.data = 2; // one extra time from test_kevent_signal_disable()
#endif
kevent_cmp(&kev, kevent_get(kqfd));
/* Delete the watch */
kev.flags = EV_DELETE;
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
success();
}
void
test_kevent_signal_del(void)
{
const char *test_id = "kevent(EVFILT_SIGNAL, EV_DELETE)";
struct kevent kev;
test_begin(test_id);
/* Delete the kevent */
EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_DELETE, 0, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
/* Block SIGUSR1, then send it to ourselves */
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGUSR1);
if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
err(1, "sigprocmask");
if (kill(getpid(), SIGUSR1) < 0)
err(1, "kill");
test_no_kevents();
success();
}
void
test_kevent_signal_oneshot(void)
{
const char *test_id = "kevent(EVFILT_SIGNAL, EV_ONESHOT)";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD | EV_ONESHOT, 0, 0, NULL);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
/* Block SIGUSR1, then send it to ourselves */
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGUSR1);
if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
err(1, "sigprocmask");
if (kill(getpid(), SIGUSR1) < 0)
err(1, "kill");
kev.flags |= EV_CLEAR;
kev.data = 1;
kevent_cmp(&kev, kevent_get(kqfd));
/* Send another one and make sure we get no events */
if (kill(getpid(), SIGUSR1) < 0)
err(1, "kill");
test_no_kevents();
success();
}
void
test_evfilt_signal()
{
kqfd = kqueue();
test_kevent_signal_add();
test_kevent_signal_del();
test_kevent_signal_get();
test_kevent_signal_disable();
test_kevent_signal_enable();
test_kevent_signal_oneshot();
close(kqfd);
}
|
