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/*
* 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;
static void
add_and_delete(void)
{
const char *test_id = "kevent(EVFILT_USER, EV_ADD and EV_DELETE)";
struct kevent kev;
test_begin(test_id);
kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD, 0, 0, NULL);
test_no_kevents();
kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_DELETE, 0, 0, NULL);
test_no_kevents();
success();
}
static void
event_wait(void)
{
const char *test_id = "kevent(EVFILT_USER, wait)";
struct kevent kev;
test_begin(test_id);
/* Add the event, and then trigger it */
kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD, 0, 0, NULL);
kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
kev.fflags &= ~NOTE_FFCTRLMASK;
kev.fflags &= ~NOTE_TRIGGER;
kevent_cmp(&kev, kevent_get(kqfd));
test_no_kevents();
success();
}
static void
disable_and_enable(void)
{
const char *test_id = "kevent(EVFILT_USER, EV_DISABLE and EV_ENABLE)";
struct kevent kev;
test_begin(test_id);
kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD, 0, 0, NULL);
kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_DISABLE, 0, 0, NULL);
/* Trigger the event, but since it is disabled, nothing will happen. */
kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
test_no_kevents();
kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ENABLE, 0, 0, NULL);
kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
kev.flags = 0;
kev.fflags &= ~NOTE_FFCTRLMASK;
kev.fflags &= ~NOTE_TRIGGER;
kevent_cmp(&kev, kevent_get(kqfd));
success();
}
static void
oneshot(void)
{
const char *test_id = "kevent(EVFILT_USER, EV_ONESHOT)";
struct kevent kev;
test_begin(test_id);
kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD | EV_ONESHOT, 0, 0, NULL);
puts(" -- event 1");
kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL);
kev.flags = 0;
kev.fflags &= ~NOTE_FFCTRLMASK;
kev.fflags &= ~NOTE_TRIGGER;
kevent_cmp(&kev, kevent_get(kqfd));
/* Try to trigger the event again. It is deleted, so that
should be an error. However, on FreeBSD 8 it is not an error,
so the event is ignored.
*/
puts(" -- triggering an event that will be ignored");
kev.flags = 0;
kev.fflags |= NOTE_TRIGGER;
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
test_no_kevents();
success();
}
void
test_evfilt_user()
{
kqfd = kqueue();
add_and_delete();
event_wait();
disable_and_enable();
oneshot();
/* TODO: try different fflags operations */
close(kqfd);
}
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