blob: 58e1c7d606249e3b8352600b0fc475f771e00ae8 (
plain)
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
|
/* Copyright (c) 2014-2015, Stanislaw Halik <sthalik@misaki.pl>
* Permission to use, copy, modify, and/or 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.
*/
#pragma once
#include "export.hpp"
#if defined (_WIN32)
# include <windows.h>
#elif defined(__MACH__)
# include <inttypes.h>
# include <mach/mach_time.h>
#endif
#include <ctime>
#include <tuple>
#include "time.hpp"
class OTR_COMPAT_EXPORT Timer final
{
struct timespec state;
long long conv_nsecs(const struct timespec& cur) const;
static void otr_clock_gettime(struct timespec* ts);
#ifdef _WIN32
static LARGE_INTEGER otr_get_clock_frequency();
#elif defined(__MACH__)
static mach_timebase_info_data_t otr_get_mach_frequency();
#endif
static void gettime(struct timespec* state);
using ns = time_units::ns;
public:
Timer();
void start();
template<typename t>
t elapsed() const
{
using namespace time_units;
return static_cast<const t&>(ns(elapsed_nsecs()));
}
long long elapsed_nsecs() const;
double elapsed_usecs() const;
double elapsed_ms() const;
double elapsed_seconds() const;
};
|
