xref: /illumos-gate/usr/src/test/libc-tests/tests/timespec_get.c (revision fc2512cfb727d49529d8ed99164db871f4829b73)
1*fc2512cfSRobert Mustacchi /*
2*fc2512cfSRobert Mustacchi  * This file and its contents are supplied under the terms of the
3*fc2512cfSRobert Mustacchi  * Common Development and Distribution License ("CDDL"), version 1.0.
4*fc2512cfSRobert Mustacchi  * You may only use this file in accordance with the terms of version
5*fc2512cfSRobert Mustacchi  * 1.0 of the CDDL.
6*fc2512cfSRobert Mustacchi  *
7*fc2512cfSRobert Mustacchi  * A full copy of the text of the CDDL should have accompanied this
8*fc2512cfSRobert Mustacchi  * source.  A copy of the CDDL is also available via the Internet at
9*fc2512cfSRobert Mustacchi  * http://www.illumos.org/license/CDDL.
10*fc2512cfSRobert Mustacchi  */
11*fc2512cfSRobert Mustacchi 
12*fc2512cfSRobert Mustacchi /*
13*fc2512cfSRobert Mustacchi  * Copyright 2016 Joyent, Inc.
14*fc2512cfSRobert Mustacchi  */
15*fc2512cfSRobert Mustacchi 
16*fc2512cfSRobert Mustacchi /*
17*fc2512cfSRobert Mustacchi  * Basic tests for timespec_get(3C).
18*fc2512cfSRobert Mustacchi  */
19*fc2512cfSRobert Mustacchi 
20*fc2512cfSRobert Mustacchi #include <time.h>
21*fc2512cfSRobert Mustacchi #include <limits.h>
22*fc2512cfSRobert Mustacchi #include <sys/debug.h>
23*fc2512cfSRobert Mustacchi 
24*fc2512cfSRobert Mustacchi static int
timespec_cmp(const struct timespec * ls,const struct timespec * rs)25*fc2512cfSRobert Mustacchi timespec_cmp(const struct timespec *ls, const struct timespec *rs)
26*fc2512cfSRobert Mustacchi {
27*fc2512cfSRobert Mustacchi 	if (ls->tv_sec > rs->tv_sec)
28*fc2512cfSRobert Mustacchi 		return (-1);
29*fc2512cfSRobert Mustacchi 	if (ls->tv_sec < rs->tv_sec)
30*fc2512cfSRobert Mustacchi 		return (1);
31*fc2512cfSRobert Mustacchi 	if (ls->tv_nsec > rs->tv_nsec)
32*fc2512cfSRobert Mustacchi 		return (-1);
33*fc2512cfSRobert Mustacchi 	if (ls->tv_nsec > rs->tv_nsec)
34*fc2512cfSRobert Mustacchi 		return (-1);
35*fc2512cfSRobert Mustacchi 	if (ls->tv_nsec < rs->tv_nsec)
36*fc2512cfSRobert Mustacchi 		return (1);
37*fc2512cfSRobert Mustacchi 
38*fc2512cfSRobert Mustacchi 	return (0);
39*fc2512cfSRobert Mustacchi }
40*fc2512cfSRobert Mustacchi 
41*fc2512cfSRobert Mustacchi int
main(void)42*fc2512cfSRobert Mustacchi main(void)
43*fc2512cfSRobert Mustacchi {
44*fc2512cfSRobert Mustacchi 	struct timespec ts, pre, post;
45*fc2512cfSRobert Mustacchi 
46*fc2512cfSRobert Mustacchi 	VERIFY0(timespec_get(&ts, TIME_UTC + 1));
47*fc2512cfSRobert Mustacchi 	VERIFY0(timespec_get(&ts, TIME_UTC - 1));
48*fc2512cfSRobert Mustacchi 	VERIFY0(timespec_get(&ts, UINT16_MAX));
49*fc2512cfSRobert Mustacchi 
50*fc2512cfSRobert Mustacchi 	VERIFY0(clock_gettime(CLOCK_REALTIME, &pre));
51*fc2512cfSRobert Mustacchi 	VERIFY3S(timespec_get(&ts, TIME_UTC), ==, TIME_UTC);
52*fc2512cfSRobert Mustacchi 	VERIFY0(clock_gettime(CLOCK_REALTIME, &post));
53*fc2512cfSRobert Mustacchi 	VERIFY3S(timespec_cmp(&pre, &post), ==, 1);
54*fc2512cfSRobert Mustacchi 
55*fc2512cfSRobert Mustacchi 	VERIFY3S(timespec_cmp(&pre, &ts), ==, 1);
56*fc2512cfSRobert Mustacchi 	VERIFY3S(timespec_cmp(&ts, &post), ==, 1);
57*fc2512cfSRobert Mustacchi 
58*fc2512cfSRobert Mustacchi 	return (0);
59*fc2512cfSRobert Mustacchi }
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