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
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gin/public/v8_platform.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/threading/worker_pool.h"
#include "gin/per_isolate_data.h"
namespace gin {
namespace {
base::LazyInstance<V8Platform>::Leaky g_v8_platform = LAZY_INSTANCE_INITIALIZER;
} // namespace
// static
V8Platform* V8Platform::Get() { return g_v8_platform.Pointer(); }
V8Platform::V8Platform() {}
V8Platform::~V8Platform() {}
void V8Platform::CallOnBackgroundThread(
v8::Task* task,
v8::Platform::ExpectedRuntime expected_runtime) {
base::WorkerPool::PostTask(
FROM_HERE,
base::Bind(&v8::Task::Run, base::Owned(task)),
expected_runtime == v8::Platform::kLongRunningTask);
}
void V8Platform::CallOnForegroundThread(v8::Isolate* isolate, v8::Task* task) {
PerIsolateData::From(isolate)->task_runner()->PostTask(
FROM_HERE, base::Bind(&v8::Task::Run, base::Owned(task)));
}
void V8Platform::CallDelayedOnForegroundThread(v8::Isolate* isolate,
v8::Task* task,
double delay_in_seconds) {
PerIsolateData::From(isolate)->task_runner()->PostDelayedTask(
FROM_HERE, base::Bind(&v8::Task::Run, base::Owned(task)),
base::TimeDelta::FromSecondsD(delay_in_seconds));
}
void V8Platform::CallIdleOnForegroundThread(v8::Isolate* isolate,
v8::IdleTask* task) {
DCHECK(PerIsolateData::From(isolate)->idle_task_runner());
PerIsolateData::From(isolate)->idle_task_runner()->PostIdleTask(task);
}
bool V8Platform::IdleTasksEnabled(v8::Isolate* isolate) {
return PerIsolateData::From(isolate)->idle_task_runner() != nullptr;
}
double V8Platform::MonotonicallyIncreasingTime() {
return base::TimeTicks::Now().ToInternalValue() /
static_cast<double>(base::Time::kMicrosecondsPerSecond);
}
} // namespace gin
|
