Version 5.5.335.1 (cherry-pick)

test/inspector/task-runner.h

-// 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.
-
-#ifndef V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
-#define V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
-
-#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/inspector/string-16.h"
-#include "src/locked-queue-inl.h"
-
-class TaskRunner : public v8::base::Thread {
- public:
-  class Task {
-   public:
-    virtual ~Task() {}
-    virtual bool is_inspector_task() = 0;
-    virtual void Run(v8::Isolate* isolate,
-                     const v8::Global<v8::Context>& context) = 0;
-  };
-
-  explicit TaskRunner(v8::ExtensionConfiguration* extensions,
-                      v8::base::Semaphore* ready_semaphore);
-  virtual ~TaskRunner();
-
-  // Thread implementation.
-  void Run() override;
-
-  // Should be called from the same thread and only from task.
-  void RunMessageLoop(bool only_protocol);
-  void QuitMessageLoop();
-
-  // TaskRunner takes ownership.
-  void Append(Task* task);
-
-  static TaskRunner* FromContext(v8::Local<v8::Context>);
-
- private:
-  void InitializeContext();
-  Task* GetNext(bool only_protocol);
-
-  v8::ExtensionConfiguration* extensions_;
-  v8::base::Semaphore* ready_semaphore_;
-
-  v8::Isolate* isolate_;
-  v8::Global<v8::Context> context_;
-
-  // 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<Task*> queue_;
-  v8::internal::LockedQueue<Task*> deffered_queue_;
-  v8::base::Semaphore process_queue_semaphore_;
-
-  int nested_loop_count_;
-
-  DISALLOW_COPY_AND_ASSIGN(TaskRunner);
-};
-
-class ExecuteStringTask : public TaskRunner::Task {
- public:
-  explicit ExecuteStringTask(const v8_inspector::String16& expression);
-  bool is_inspector_task() override { return false; }
-
-  void Run(v8::Isolate* isolate,
-           const v8::Global<v8::Context>& context) override;
-
- private:
-  v8_inspector::String16 expression_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExecuteStringTask);
-};
-
-#endif  //  V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_