2 * Copyright (c) 2016 Maksym Sobolyev <sobomax@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
33 #include "uc_check_time.h"
35 static const struct timeval max_diff_tv = {.tv_sec = 1, .tv_usec = 0};
36 static const struct timespec max_diff_ts = {.tv_sec = 1, .tv_nsec = 0};
39 uc_check_bintime(const struct bintime *mt)
43 bintime2timespec(mt, &bt);
44 return (uc_check_timespec_real(&bt));
48 uc_check_timeval(const struct timeval *bt)
50 struct timeval ct, dt;
52 if (gettimeofday(&ct, NULL) < 0)
54 timersub(&ct, bt, &dt);
55 if (!timercmp(&dt, &max_diff_tv, <))
62 uc_check_timespec_real(const struct timespec *bt)
66 if (clock_gettime(CLOCK_REALTIME, &ct) < 0)
68 timespecsub(&ct, bt, &ct);
69 if (!timespeccmp(&ct, &max_diff_ts, <))
76 uc_check_timespec_mono(const struct timespec *bt)
80 if (clock_gettime(CLOCK_MONOTONIC, &ct) < 0)
82 timespecsub(&ct, bt, &ct);
83 if (!timespeccmp(&ct, &max_diff_ts, <))