1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _OPENSOLARIS_SYS_TIME_H_
#define _OPENSOLARIS_SYS_TIME_H_
#pragma once
#include_next <sys/time.h>
#include <sys/debug.h>
#ifndef _SYS_KERNEL_H_
extern int hz;
#endif
#define SEC 1
#define MILLISEC 1000UL
#define MICROSEC 1000000UL
#define NANOSEC 1000000000UL
#define TIME_MAX LLONG_MAX
#define MSEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MILLISEC))
#define NSEC2MSEC(n) ((n) / (NANOSEC / MILLISEC))
#define USEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MICROSEC))
#define NSEC2USEC(n) ((n) / (NANOSEC / MICROSEC))
#define NSEC2SEC(n) ((n) / (NANOSEC / SEC))
#define SEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / SEC))
typedef longlong_t hrtime_t;
#if defined(__i386__) || defined(__powerpc__)
#define TIMESPEC_OVERFLOW(ts) \
((ts)->tv_sec < INT32_MIN || (ts)->tv_sec > INT32_MAX)
#else
#define TIMESPEC_OVERFLOW(ts) \
((ts)->tv_sec < INT64_MIN || (ts)->tv_sec > INT64_MAX)
#endif
#define SEC_TO_TICK(sec) ((sec) * hz)
#define NSEC_TO_TICK(nsec) ((nsec) / (NANOSEC / hz))
static __inline hrtime_t
gethrtime(void)
{
struct timespec ts;
hrtime_t nsec;
nanouptime(&ts);
nsec = ((hrtime_t)ts.tv_sec * NANOSEC) + ts.tv_nsec;
return (nsec);
}
#define gethrestime_sec() (time_second)
#define gethrestime(ts) getnanotime(ts)
#define gethrtime_waitfree() gethrtime()
extern int nsec_per_tick; /* nanoseconds per clock tick */
#define ddi_get_lbolt64() \
(int64_t)(((getsbinuptime() >> 16) * hz) >> 16)
#define ddi_get_lbolt() (clock_t)ddi_get_lbolt64()
#else
static __inline hrtime_t
gethrtime(void)
{
struct timespec ts;
clock_gettime(CLOCK_UPTIME, &ts);
return (((u_int64_t)ts.tv_sec) * NANOSEC + ts.tv_nsec);
}
#endif /* !_OPENSOLARIS_SYS_TIME_H_ */
|
