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
97
98
99
100
101
102
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/time/time.h"
#include <threads.h>
#include <zircon/syscalls.h>
#include <zircon/threads.h>
#include "base/check_op.h"
#include "base/fuchsia/fuchsia_logging.h"
#include "base/time/time_override.h"
namespace base {
// Time -----------------------------------------------------------------------
namespace subtle {
Time TimeNowIgnoringOverride() {
timespec ts;
int status = timespec_get(&ts, TIME_UTC);
CHECK(status != 0);
return Time::FromTimeSpec(ts);
}
Time TimeNowFromSystemTimeIgnoringOverride() {
// Just use TimeNowIgnoringOverride() because it returns the system time.
return TimeNowIgnoringOverride();
}
} // namespace subtle
// TimeTicks ------------------------------------------------------------------
namespace subtle {
TimeTicks TimeTicksNowIgnoringOverride() {
const zx_time_t nanos_since_boot = zx_clock_get_monotonic();
CHECK_NE(0, nanos_since_boot);
return TimeTicks::FromZxTime(nanos_since_boot);
}
TimeTicks TimeTicksLowResolutionNowIgnoringOverride() {
return TimeTicksNowIgnoringOverride();
}
} // namespace subtle
// static
TimeDelta TimeDelta::FromZxDuration(zx_duration_t nanos) {
return Nanoseconds(nanos);
}
zx_duration_t TimeDelta::ToZxDuration() const {
return InNanoseconds();
}
// static
Time Time::FromZxTime(zx_time_t nanos_since_unix_epoch) {
return UnixEpoch() + Nanoseconds(nanos_since_unix_epoch);
}
zx_time_t Time::ToZxTime() const {
return (*this - UnixEpoch()).InNanoseconds();
}
// static
TimeTicks::Clock TimeTicks::GetClock() {
return Clock::FUCHSIA_ZX_CLOCK_MONOTONIC;
}
// static
bool TimeTicks::IsHighResolution() {
return true;
}
// static
bool TimeTicks::IsConsistentAcrossProcesses() {
return true;
}
// static
TimeTicks TimeTicks::FromZxTime(zx_time_t nanos_since_boot) {
return TimeTicks() + Nanoseconds(nanos_since_boot);
}
zx_time_t TimeTicks::ToZxTime() const {
return (*this - TimeTicks()).InNanoseconds();
}
// ThreadTicks ----------------------------------------------------------------
namespace subtle {
ThreadTicks ThreadTicksNowIgnoringOverride() {
zx_info_thread_stats_t info;
zx_status_t status = zx_object_get_info(thrd_get_zx_handle(thrd_current()),
ZX_INFO_THREAD_STATS, &info,
sizeof(info), nullptr, nullptr);
ZX_CHECK(status == ZX_OK, status);
return ThreadTicks() + Nanoseconds(info.total_runtime);
}
} // namespace subtle
} // namespace base
|
