1 /*
2 * Copyright (c) 2009 Mark Heily <[email protected]>
3 *
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 *
16 * $FreeBSD$
17 */
18
19 #include "common.h"
20
21
22 static void
test_kevent_signal_add(void)23 test_kevent_signal_add(void)
24 {
25 const char *test_id = "kevent(EVFILT_SIGNAL, EV_ADD)";
26 struct kevent kev;
27
28 test_begin(test_id);
29
30 EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
31 if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
32 err(1, "%s", test_id);
33
34 success();
35 }
36
37 static void
test_kevent_signal_get(void)38 test_kevent_signal_get(void)
39 {
40 const char *test_id = "kevent(EVFILT_SIGNAL, wait)";
41 struct kevent kev;
42
43 test_begin(test_id);
44
45 EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
46 if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
47 err(1, "%s", test_id);
48
49 /* Block SIGUSR1, then send it to ourselves */
50 sigset_t mask;
51 sigemptyset(&mask);
52 sigaddset(&mask, SIGUSR1);
53 if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
54 err(1, "sigprocmask");
55 if (kill(getpid(), SIGUSR1) < 0)
56 err(1, "kill");
57
58 kev.flags |= EV_CLEAR;
59 kev.data = 1;
60 kevent_cmp(&kev, kevent_get(kqfd));
61
62 success();
63 }
64
65 static void
test_kevent_signal_disable(void)66 test_kevent_signal_disable(void)
67 {
68 const char *test_id = "kevent(EVFILT_SIGNAL, EV_DISABLE)";
69 struct kevent kev;
70
71 test_begin(test_id);
72
73 EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_DISABLE, 0, 0, NULL);
74 if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
75 err(1, "%s", test_id);
76
77 /* Block SIGUSR1, then send it to ourselves */
78 sigset_t mask;
79 sigemptyset(&mask);
80 sigaddset(&mask, SIGUSR1);
81 if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
82 err(1, "sigprocmask");
83 if (kill(getpid(), SIGUSR1) < 0)
84 err(1, "kill");
85
86 test_no_kevents();
87
88 success();
89 }
90
91 static void
test_kevent_signal_enable(void)92 test_kevent_signal_enable(void)
93 {
94 const char *test_id = "kevent(EVFILT_SIGNAL, EV_ENABLE)";
95 struct kevent kev;
96
97 test_begin(test_id);
98
99 EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ENABLE, 0, 0, NULL);
100 if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
101 err(1, "%s", test_id);
102
103 /* Block SIGUSR1, then send it to ourselves */
104 sigset_t mask;
105 sigemptyset(&mask);
106 sigaddset(&mask, SIGUSR1);
107 if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
108 err(1, "sigprocmask");
109 if (kill(getpid(), SIGUSR1) < 0)
110 err(1, "kill");
111
112 kev.flags = EV_ADD | EV_CLEAR;
113 #if LIBKQUEUE
114 kev.data = 1; /* WORKAROUND */
115 #else
116 kev.data = 2; // one extra time from test_kevent_signal_disable()
117 #endif
118 kevent_cmp(&kev, kevent_get(kqfd));
119
120 /* Delete the watch */
121 kev.flags = EV_DELETE;
122 if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
123 err(1, "%s", test_id);
124
125 success();
126 }
127
128 static void
test_kevent_signal_del(void)129 test_kevent_signal_del(void)
130 {
131 const char *test_id = "kevent(EVFILT_SIGNAL, EV_DELETE)";
132 struct kevent kev;
133
134 test_begin(test_id);
135
136 /* Delete the kevent */
137 EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_DELETE, 0, 0, NULL);
138 if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
139 err(1, "%s", test_id);
140
141 /* Block SIGUSR1, then send it to ourselves */
142 sigset_t mask;
143 sigemptyset(&mask);
144 sigaddset(&mask, SIGUSR1);
145 if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
146 err(1, "sigprocmask");
147 if (kill(getpid(), SIGUSR1) < 0)
148 err(1, "kill");
149
150 test_no_kevents();
151 success();
152 }
153
154 static void
test_kevent_signal_oneshot(void)155 test_kevent_signal_oneshot(void)
156 {
157 const char *test_id = "kevent(EVFILT_SIGNAL, EV_ONESHOT)";
158 struct kevent kev;
159
160 test_begin(test_id);
161
162 EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD | EV_ONESHOT, 0, 0, NULL);
163 if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
164 err(1, "%s", test_id);
165
166 /* Block SIGUSR1, then send it to ourselves */
167 sigset_t mask;
168 sigemptyset(&mask);
169 sigaddset(&mask, SIGUSR1);
170 if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
171 err(1, "sigprocmask");
172 if (kill(getpid(), SIGUSR1) < 0)
173 err(1, "kill");
174
175 kev.flags |= EV_CLEAR;
176 kev.data = 1;
177 kevent_cmp(&kev, kevent_get(kqfd));
178
179 /* Send another one and make sure we get no events */
180 if (kill(getpid(), SIGUSR1) < 0)
181 err(1, "kill");
182 test_no_kevents();
183
184 success();
185 }
186
187 void
test_evfilt_signal(void)188 test_evfilt_signal(void)
189 {
190 kqfd = kqueue();
191 test_kevent_signal_add();
192 test_kevent_signal_del();
193 test_kevent_signal_get();
194 test_kevent_signal_disable();
195 test_kevent_signal_enable();
196 test_kevent_signal_oneshot();
197 close(kqfd);
198 }
199