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
20static void
21add_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
37static void
38event_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
61static void
62event_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
87static void
88disable_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
115static void
116disable_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
147static void
148oneshot(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
172void
173test_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