blob: 039fb61da83319acb2ae5d5e45437447ff2bc576 [file] [log] [blame]
// Copyright 2016 the V8 project 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 <map>
#include <memory>
#include "include/v8-inspector.h"
#include "include/v8-platform.h"
#include "include/v8.h"
#include "src/base/macros.h"
#include "src/base/platform/platform.h"
#include "src/utils/locked-queue-inl.h"
#include "src/utils/vector.h"
#include "test/inspector/isolate-data.h"
namespace v8 {
namespace internal {
enum CatchExceptions : bool {
kDoCatchExceptions = true,
kDontCatchExceptions = false
class TaskRunner : public v8::base::Thread {
class Task {
virtual ~Task() = default;
virtual bool is_priority_task() = 0;
virtual void Run(IsolateData* data) = 0;
TaskRunner(IsolateData::SetupGlobalTasks setup_global_tasks,
CatchExceptions catch_exceptions,
v8::base::Semaphore* ready_semaphore,
v8::StartupData* startup_data, WithInspector with_inspector);
~TaskRunner() override;
TaskRunner(const TaskRunner&) = delete;
TaskRunner& operator=(const TaskRunner&) = delete;
IsolateData* data() const { return data_.get(); }
// Thread implementation.
void Run() override;
// Should be called from the same thread and only from task.
void RunMessageLoop(bool only_protocol);
void QuitMessageLoop();
void Append(std::unique_ptr<Task>);
void Terminate();
std::unique_ptr<Task> GetNext(bool only_protocol);
v8::Isolate* isolate() const { return data_->isolate(); }
IsolateData::SetupGlobalTasks setup_global_tasks_;
v8::StartupData* startup_data_;
WithInspector with_inspector_;
CatchExceptions catch_exceptions_;
v8::base::Semaphore* ready_semaphore_;
std::unique_ptr<IsolateData> data_;
// deferred_queue_ combined with queue_ (in this order) have all tasks in the
// correct order. Sometimes we skip non-protocol tasks by moving them from
// queue_ to deferred_queue_.
v8::internal::LockedQueue<std::unique_ptr<Task>> queue_;
v8::internal::LockedQueue<std::unique_ptr<Task>> deferred_queue_;
v8::base::Semaphore process_queue_semaphore_;
int nested_loop_count_;
std::atomic<int> is_terminated_;
} // namespace internal
} // namespace v8