| // 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 "base/trace_event/trace_event.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); |
| } |
| |
| const uint8_t* V8Platform::GetCategoryGroupEnabled(const char* name) { |
| return TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(name); |
| } |
| |
| const char* V8Platform::GetCategoryGroupName( |
| const uint8_t* category_enabled_flag) { |
| return base::trace_event::TraceLog::GetCategoryGroupName( |
| category_enabled_flag); |
| } |
| |
| uint64_t V8Platform::AddTraceEvent(char phase, |
| const uint8_t* category_enabled_flag, |
| const char* name, |
| uint64_t id, |
| uint64_t bind_id, |
| int32_t num_args, |
| const char** arg_names, |
| const uint8_t* arg_types, |
| const uint64_t* arg_values, |
| unsigned int flags) { |
| base::trace_event::TraceEventHandle handle = |
| TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_BIND_ID( |
| phase, category_enabled_flag, name, |
| trace_event_internal::kGlobalScope, id, bind_id, num_args, arg_names, |
| arg_types, (const long long unsigned int*)arg_values, NULL, flags); |
| uint64_t result; |
| memcpy(&result, &handle, sizeof(result)); |
| return result; |
| } |
| |
| void V8Platform::UpdateTraceEventDuration(const uint8_t* category_enabled_flag, |
| const char* name, |
| uint64_t handle) { |
| base::trace_event::TraceEventHandle traceEventHandle; |
| memcpy(&traceEventHandle, &handle, sizeof(handle)); |
| TRACE_EVENT_API_UPDATE_TRACE_EVENT_DURATION(category_enabled_flag, name, |
| traceEventHandle); |
| } |
| |
| } // namespace gin |