1 /*
2 * Copyright (c) 2009 Mark Heily <mark@heily.com>
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
17 #include "common.h"
18
19
20 static void
add_and_delete(void)21 add_and_delete(void)
22 {
23 const char *test_id = "kevent(EVFILT_USER, EV_ADD and EV_DELETE)";
24 struct kevent kev;
25
26 test_begin(test_id);
27
28 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD, 0, 0, NULL);
29 test_no_kevents();
30
31 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_DELETE, 0, 0, NULL);
32 test_no_kevents();
33
34 success();
35 }
36
37 static void
event_wait(void)38 event_wait(void)
39 {
40 const char *test_id = "kevent(EVFILT_USER, wait)";
41 struct kevent kev;
42
43 test_begin(test_id);
44
45 test_no_kevents();
46
47 /* Add the event, and then trigger it */
48 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD | EV_CLEAR, 0, 0, NULL);
49 kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
50
51 kev.fflags &= ~NOTE_FFCTRLMASK;
52 kev.fflags &= ~NOTE_TRIGGER;
53 kev.flags = EV_CLEAR;
54 kevent_cmp(&kev, kevent_get(kqfd));
55
56 test_no_kevents();
57
58 success();
59 }
60
61 static void
event_wait_keepudata(void)62 event_wait_keepudata(void)
63 {
64 const char *test_id = "kevent(EVFILT_USER, wait w/ EV_KEEPUDATA)";
65 struct kevent kev;
66
67 test_begin(test_id);
68
69 test_no_kevents();
70
71 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD | EV_CLEAR, 0, 0, &kev);
72 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_KEEPUDATA, NOTE_TRIGGER, 0,
73 NULL);
74
75 kev.fflags &= ~NOTE_FFCTRLMASK;
76 kev.fflags &= ~NOTE_TRIGGER;
77 kev.flags = EV_CLEAR;
78 kev.udata = &kev;
79 kevent_cmp(&kev, kevent_get(kqfd));
80
81 test_no_kevents();
82
83 success();
84 }
85
86
87 static void
disable_and_enable(void)88 disable_and_enable(void)
89 {
90 const char *test_id = "kevent(EVFILT_USER, EV_DISABLE and EV_ENABLE)";
91 struct kevent kev;
92
93 test_begin(test_id);
94
95 test_no_kevents();
96
97 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD, 0, 0, NULL);
98 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_DISABLE, 0, 0, NULL);
99
100 /* Trigger the event, but since it is disabled, nothing will happen. */
101 kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
102 test_no_kevents();
103
104 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ENABLE, 0, 0, NULL);
105 kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
106
107 kev.flags = EV_CLEAR;
108 kev.fflags &= ~NOTE_FFCTRLMASK;
109 kev.fflags &= ~NOTE_TRIGGER;
110 kevent_cmp(&kev, kevent_get(kqfd));
111
112 success();
113 }
114
115 static void
disable_and_enable_keepudata(void)116 disable_and_enable_keepudata(void)
117 {
118 const char *test_id =
119 "kevent(EVFILT_USER, EV_DISABLE and EV_ENABLE w/ EV_KEEPUDATA)";
120 struct kevent kev;
121
122 test_begin(test_id);
123
124 test_no_kevents();
125
126 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD, 0, 0, &kev);
127 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_DISABLE | EV_KEEPUDATA, 0, 0,
128 NULL);
129
130 /* Trigger the event, but since it is disabled, nothing will happen. */
131 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_KEEPUDATA, NOTE_TRIGGER, 0, NULL);
132 test_no_kevents();
133
134 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ENABLE | EV_KEEPUDATA, 0, 0,
135 NULL);
136 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_KEEPUDATA, NOTE_TRIGGER, 0, NULL);
137
138 kev.flags = EV_CLEAR;
139 kev.fflags &= ~NOTE_FFCTRLMASK;
140 kev.fflags &= ~NOTE_TRIGGER;
141 kev.udata = &kev;
142 kevent_cmp(&kev, kevent_get(kqfd));
143
144 success();
145 }
146
147 static void
oneshot(void)148 oneshot(void)
149 {
150 const char *test_id = "kevent(EVFILT_USER, EV_ONESHOT)";
151 struct kevent kev;
152
153 test_begin(test_id);
154
155 test_no_kevents();
156
157 kevent_add(kqfd, &kev, 2, EVFILT_USER, EV_ADD | EV_ONESHOT, 0, 0, NULL);
158
159 puts(" -- event 1");
160 kevent_add(kqfd, &kev, 2, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
161
162 kev.flags = EV_ONESHOT;
163 kev.fflags &= ~NOTE_FFCTRLMASK;
164 kev.fflags &= ~NOTE_TRIGGER;
165 kevent_cmp(&kev, kevent_get(kqfd));
166
167 test_no_kevents();
168
169 success();
170 }
171
172 void
test_evfilt_user(void)173 test_evfilt_user(void)
174 {
175 kqfd = kqueue();
176
177 add_and_delete();
178 event_wait();
179 event_wait_keepudata();
180 disable_and_enable();
181 disable_and_enable_keepudata();
182 oneshot();
183 /* TODO: try different fflags operations */
184
185 close(kqfd);
186 }
187