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
disable_and_enable(void)62 disable_and_enable(void)
63 {
64 const char *test_id = "kevent(EVFILT_USER, EV_DISABLE and EV_ENABLE)";
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, 0, 0, NULL);
72 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_DISABLE, 0, 0, NULL);
73
74 /* Trigger the event, but since it is disabled, nothing will happen. */
75 kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
76 test_no_kevents();
77
78 kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ENABLE, 0, 0, NULL);
79 kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
80
81 kev.flags = EV_CLEAR;
82 kev.fflags &= ~NOTE_FFCTRLMASK;
83 kev.fflags &= ~NOTE_TRIGGER;
84 kevent_cmp(&kev, kevent_get(kqfd));
85
86 success();
87 }
88
89 static void
oneshot(void)90 oneshot(void)
91 {
92 const char *test_id = "kevent(EVFILT_USER, EV_ONESHOT)";
93 struct kevent kev;
94
95 test_begin(test_id);
96
97 test_no_kevents();
98
99 kevent_add(kqfd, &kev, 2, EVFILT_USER, EV_ADD | EV_ONESHOT, 0, 0, NULL);
100
101 puts(" -- event 1");
102 kevent_add(kqfd, &kev, 2, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
103
104 kev.flags = EV_ONESHOT;
105 kev.fflags &= ~NOTE_FFCTRLMASK;
106 kev.fflags &= ~NOTE_TRIGGER;
107 kevent_cmp(&kev, kevent_get(kqfd));
108
109 test_no_kevents();
110
111 success();
112 }
113
114 void
test_evfilt_user(void)115 test_evfilt_user(void)
116 {
117 kqfd = kqueue();
118
119 add_and_delete();
120 event_wait();
121 disable_and_enable();
122 oneshot();
123 /* TODO: try different fflags operations */
124
125 close(kqfd);
126 }
127