diff options
Diffstat (limited to 'tests/sys/kqueue/libkqueue/timer.c')
-rw-r--r-- | tests/sys/kqueue/libkqueue/timer.c | 764 |
1 files changed, 764 insertions, 0 deletions
diff --git a/tests/sys/kqueue/libkqueue/timer.c b/tests/sys/kqueue/libkqueue/timer.c new file mode 100644 index 000000000000..5116aea98b83 --- /dev/null +++ b/tests/sys/kqueue/libkqueue/timer.c @@ -0,0 +1,764 @@ +/* + * 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. + */ + +#include "common.h" +#include <sys/time.h> + +#define MILLION 1000000 +#define THOUSAND 1000 +#define SEC_TO_MS(t) ((t) * THOUSAND) /* Convert seconds to milliseconds. */ +#define SEC_TO_US(t) ((t) * MILLION) /* Convert seconds to microseconds. */ +#define MS_TO_US(t) ((t) * THOUSAND) /* Convert milliseconds to microseconds. */ +#define US_TO_NS(t) ((t) * THOUSAND) /* Convert microseconds to nanoseconds. */ + + +/* Get the current time with microsecond precision. Used for + * sub-second timing to make some timer tests run faster. + */ +static uint64_t +now(void) +{ + struct timeval tv; + + gettimeofday(&tv, NULL); + /* Promote potentially 32-bit time_t to uint64_t before conversion. */ + return SEC_TO_US((uint64_t)tv.tv_sec) + tv.tv_usec; +} + +/* Sleep for a given number of milliseconds. The timeout is assumed to + * be less than 1 second. + */ +static void +mssleep(int t) +{ + struct timespec stime = { + .tv_sec = 0, + .tv_nsec = US_TO_NS(MS_TO_US(t)), + }; + + nanosleep(&stime, NULL); +} + +/* Sleep for a given number of microseconds. The timeout is assumed to + * be less than 1 second. + */ +static void +ussleep(int t) +{ + struct timespec stime = { + .tv_sec = 0, + .tv_nsec = US_TO_NS(t), + }; + + nanosleep(&stime, NULL); +} + +static void +test_kevent_timer_add(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_ADD)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, 1, EVFILT_TIMER, EV_ADD, 0, 1000, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +static void +test_kevent_timer_del(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_DELETE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, 1, EVFILT_TIMER, EV_DELETE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + test_no_kevents(); + + success(); +} + +static void +test_kevent_timer_get(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, wait)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, 1, EVFILT_TIMER, EV_ADD, 0, 1000, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kev.flags |= EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + EV_SET(&kev, 1, EVFILT_TIMER, EV_DELETE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +static void +test_oneshot(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_ONESHOT)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, 0, 500,NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_CLEAR | EV_ONESHOT; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Check if the event occurs again */ + sleep(3); + test_no_kevents(); + + + success(); +} + +static void +test_periodic(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, periodic)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD, 0, 1000,NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Check if the event occurs again */ + sleep(1); + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Delete the event */ + kev.flags = EV_DELETE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +static void +test_periodic_modify(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, periodic_modify)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD, 0, 1000, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Check if the event occurs again */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD, 0, 495, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kev.flags = EV_ADD | EV_CLEAR; + sleep(1); + kev.data = 2; /* Should have fired twice */ + + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Delete the event */ + kev.flags = EV_DELETE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +#if WITH_NATIVE_KQUEUE_BUGS +static void +test_periodic_to_oneshot(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, period_to_oneshot)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD, 0, 1000, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Check if the event occurs again */ + sleep(1); + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Switch to oneshot */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, 0, 500, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + kev.flags = EV_ADD | EV_CLEAR | EV_ONESHOT; + + sleep(1); + kev.data = 1; /* Should have fired once */ + + kevent_cmp(&kev, kevent_get(kqfd)); + + success(); +} +#endif + +static void +test_disable_and_enable(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_DISABLE and EV_ENABLE)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + /* Add the watch and immediately disable it */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, 0, 2000,NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + kev.flags = EV_DISABLE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + test_no_kevents(); + + /* Re-enable and check again */ + kev.flags = EV_ENABLE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kev.flags = EV_ADD | EV_CLEAR | EV_ONESHOT; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + success(); +} + +static void +test_abstime(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_ONESHOT, NOTE_ABSTIME)"; + struct kevent kev; + uint64_t end, start, stop; + const int timeout_sec = 3; + + test_begin(test_id); + + test_no_kevents(); + + start = now(); + end = start + SEC_TO_US(timeout_sec); + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, + NOTE_ABSTIME | NOTE_USECONDS, end, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_ONESHOT; + kev.data = 1; + kev.fflags = 0; + kevent_cmp(&kev, kevent_get(kqfd)); + + stop = now(); + if (stop < end) + err(1, "too early %jd %jd", (intmax_t)stop, (intmax_t)end); + /* Check if the event occurs again */ + sleep(3); + test_no_kevents(); + + success(); +} + +static void +test_abstime_epoch(void) +{ + const char *test_id = "kevent(EVFILT_TIMER (EPOCH), NOTE_ABSTIME)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD, NOTE_ABSTIME, 0, + NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD; + kev.data = 1; + kev.fflags = 0; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Delete the event */ + kev.flags = EV_DELETE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +static void +test_abstime_preboot(void) +{ + const char *test_id = "kevent(EVFILT_TIMER (PREBOOT), EV_ONESHOT, NOTE_ABSTIME)"; + struct kevent kev; + struct timespec btp; + uint64_t end, start, stop; + + test_begin(test_id); + + test_no_kevents(); + + /* + * We'll expire it at just before system boot (roughly) with the hope that + * we'll get an ~immediate expiration, just as we do for any value specified + * between system boot and now. + */ + start = now(); + if (clock_gettime(CLOCK_BOOTTIME, &btp) != 0) + err(1, "%s", test_id); + + end = start - SEC_TO_US(btp.tv_sec + 1); + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, + NOTE_ABSTIME | NOTE_USECONDS, end, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_ONESHOT; + kev.data = 1; + kev.fflags = 0; + kevent_cmp(&kev, kevent_get(kqfd)); + + stop = now(); + if (stop < end) + err(1, "too early %jd %jd", (intmax_t)stop, (intmax_t)end); + /* Check if the event occurs again */ + sleep(3); + test_no_kevents(); + + success(); +} + +static void +test_abstime_postboot(void) +{ + const char *test_id = "kevent(EVFILT_TIMER (POSTBOOT), EV_ONESHOT, NOTE_ABSTIME)"; + struct kevent kev; + uint64_t end, start, stop; + const int timeout_sec = 1; + + test_begin(test_id); + + test_no_kevents(); + + /* + * Set a timer for 1 second ago, it should fire immediately rather than + * being rejected. + */ + start = now(); + end = start - SEC_TO_US(timeout_sec); + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, + NOTE_ABSTIME | NOTE_USECONDS, end, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_ONESHOT; + kev.data = 1; + kev.fflags = 0; + kevent_cmp(&kev, kevent_get(kqfd)); + + stop = now(); + if (stop < end) + err(1, "too early %jd %jd", (intmax_t)stop, (intmax_t)end); + /* Check if the event occurs again */ + sleep(3); + test_no_kevents(); + + success(); +} + +static void +test_update(void) +{ + const char *test_id = "kevent(EVFILT_TIMER (UPDATE), EV_ADD | EV_ONESHOT)"; + struct kevent kev; + long elapsed; + uint64_t start; + + test_begin(test_id); + + test_no_kevents(); + + /* First set the timer to 1 second */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, + NOTE_USECONDS, SEC_TO_US(1), (void *)1); + start = now(); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Now reduce the timer to 1 ms */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, + NOTE_USECONDS, MS_TO_US(1), (void *)2); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Wait for the event */ + kev.flags |= EV_CLEAR; + kev.fflags &= ~NOTE_USECONDS; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + elapsed = now() - start; + + /* Check that the timer expired after at least 1 ms, but less than + * 1 second. This check is to make sure that the original 1 second + * timeout was not used. + */ + printf("timer expired after %ld us\n", elapsed); + if (elapsed < MS_TO_US(1)) + errx(1, "early timer expiration: %ld us", elapsed); + if (elapsed > SEC_TO_US(1)) + errx(1, "late timer expiration: %ld us", elapsed); + + success(); +} + +static void +test_update_equal(void) +{ + const char *test_id = "kevent(EVFILT_TIMER (UPDATE=), EV_ADD | EV_ONESHOT)"; + struct kevent kev; + long elapsed; + uint64_t start; + + test_begin(test_id); + + test_no_kevents(); + + /* First set the timer to 1 ms */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, + NOTE_USECONDS, MS_TO_US(1), NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Sleep for a significant fraction of the timeout. */ + ussleep(600); + + /* Now re-add the timer with the same parameters */ + start = now(); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Wait for the event */ + kev.flags |= EV_CLEAR; + kev.fflags &= ~NOTE_USECONDS; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + elapsed = now() - start; + + /* Check that the timer expired after at least 1 ms. This check is + * to make sure that the timer re-started and that the event is + * not from the original add of the timer. + */ + printf("timer expired after %ld us\n", elapsed); + if (elapsed < MS_TO_US(1)) + errx(1, "early timer expiration: %ld us", elapsed); + + success(); +} + +static void +test_update_expired(void) +{ + const char *test_id = "kevent(EVFILT_TIMER (UPDATE EXP), EV_ADD | EV_ONESHOT)"; + struct kevent kev; + long elapsed; + uint64_t start; + + test_begin(test_id); + + test_no_kevents(); + + /* Set the timer to 1ms */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, + NOTE_USECONDS, MS_TO_US(1), NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Wait for 2 ms to give the timer plenty of time to expire. */ + mssleep(2); + + /* Now re-add the timer */ + start = now(); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Wait for the event */ + kev.flags |= EV_CLEAR; + kev.fflags &= ~NOTE_USECONDS; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + elapsed = now() - start; + + /* Check that the timer expired after at least 1 ms. This check + * is to make sure that the timer re-started and that the event is + * not from the original add (and expiration) of the timer. + */ + printf("timer expired after %ld us\n", elapsed); + if (elapsed < MS_TO_US(1)) + errx(1, "early timer expiration: %ld us", elapsed); + + /* Make sure the re-added timer does not fire. In other words, + * test that the event received above was the only event from the + * add and re-add of the timer. + */ + mssleep(2); + test_no_kevents(); + + success(); +} + +static void +test_update_periodic(void) +{ + const char *test_id = "kevent(EVFILT_TIMER (UPDATE), periodic)"; + struct kevent kev; + long elapsed; + uint64_t start, stop; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD, 0, SEC_TO_MS(1), NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Check if the event occurs again */ + sleep(1); + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Re-add with new timeout. */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD, 0, SEC_TO_MS(2), NULL); + start = now(); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + stop = now(); + elapsed = stop - start; + + /* Check that the timer expired after at least 2 ms. + */ + printf("timer expired after %ld us\n", elapsed); + if (elapsed < MS_TO_US(2)) + errx(1, "early timer expiration: %ld us", elapsed); + + /* Delete the event */ + kev.flags = EV_DELETE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +static void +test_update_timing(void) +{ +#define MIN_SLEEP 500 +#define MAX_SLEEP 1500 + const char *test_id = "kevent(EVFILT_TIMER (UPDATE TIMING), EV_ADD | EV_ONESHOT)"; + struct kevent kev; + int iteration; + int sleeptime; + long elapsed; + uint64_t start, stop; + + test_begin(test_id); + + test_no_kevents(); + + /* Re-try the update tests with a variety of delays between the + * original timer activation and the update of the timer. The goal + * is to show that in all cases the only timer event that is + * received is from the update and not the original timer add. + */ + for (sleeptime = MIN_SLEEP, iteration = 1; + sleeptime < MAX_SLEEP; + ++sleeptime, ++iteration) { + + /* First set the timer to 1 ms */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, + NOTE_USECONDS, MS_TO_US(1), NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Delay; the delay ranges from less than to greater than the + * timer period. + */ + ussleep(sleeptime); + + /* Now re-add the timer with the same parameters */ + start = now(); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Wait for the event */ + kev.flags |= EV_CLEAR; + kev.fflags &= ~NOTE_USECONDS; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + stop = now(); + elapsed = stop - start; + + /* Check that the timer expired after at least 1 ms. This + * check is to make sure that the timer re-started and that + * the event is not from the original add of the timer. + */ + if (elapsed < MS_TO_US(1)) + errx(1, "early timer expiration: %ld us", elapsed); + + /* Make sure the re-added timer does not fire. In other words, + * test that the event received above was the only event from + * the add and re-add of the timer. + */ + mssleep(2); + test_no_kevents_quietly(); + } + + success(); +} + +static void +test_dispatch(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_ADD | EV_DISPATCH)"; + struct kevent kev; + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_DISPATCH, 0, 200, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Get one event */ + kev.flags = EV_ADD | EV_CLEAR | EV_DISPATCH; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Confirm that the knote is disabled due to EV_DISPATCH */ + usleep(500000); + test_no_kevents(); + + /* Enable the knote and make sure no events are pending */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ENABLE | EV_DISPATCH, 0, 200, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + test_no_kevents(); + + /* Get the next event */ + usleep(1100000); /* 1100 ms */ + kev.flags = EV_ADD | EV_CLEAR | EV_DISPATCH; + kev.data = 5; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Remove the knote and ensure the event no longer fires */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_DELETE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + usleep(500000); /* 500ms */ + test_no_kevents(); + + success(); +} + +void +test_evfilt_timer(void) +{ + kqfd = kqueue(); + test_kevent_timer_add(); + test_kevent_timer_del(); + test_kevent_timer_get(); + test_oneshot(); + test_periodic(); + test_periodic_modify(); +#if WITH_NATIVE_KQUEUE_BUGS + test_periodic_to_oneshot(); +#endif + test_abstime(); + test_abstime_epoch(); + test_abstime_preboot(); + test_abstime_postboot(); + test_update(); + test_update_equal(); + test_update_expired(); + test_update_timing(); + test_update_periodic(); + test_disable_and_enable(); + test_dispatch(); + close(kqfd); +} |