default-platform.h

Go to the documentation of this file.

// Copyright 2013 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_LIBPLATFORM_DEFAULT_PLATFORM_H_
#define V8_LIBPLATFORM_DEFAULT_PLATFORM_H_
 
#include <map>
#include <queue>
#include <vector>
 
#include "include/v8-platform.h"
#include "src/base/macros.h"
#include "src/base/platform/mutex.h"
#include "src/libplatform/task-queue.h"
 
namespace v8 {
namespace platform {
 
class TaskQueue;
class Thread;
class WorkerThread;
 
class DefaultPlatform : public Platform {
 public:
  DefaultPlatform();
  virtual ~DefaultPlatform();
 
  void SetThreadPoolSize(int thread_pool_size);
 
  void EnsureInitialized();
 
  bool PumpMessageLoop(v8::Isolate* isolate);
 
  // v8::Platform implementation.
  virtual void CallOnBackgroundThread(
      Task* task, ExpectedRuntime expected_runtime) OVERRIDE;
  virtual void CallOnForegroundThread(v8::Isolate* isolate,
                                      Task* task) OVERRIDE;
 
 private:
  static const int kMaxThreadPoolSize;
 
  base::Mutex lock_;
  bool initialized_;
  int thread_pool_size_;
  std::vector<WorkerThread*> thread_pool_;
  TaskQueue queue_;
  std::map<v8::Isolate*, std::queue<Task*> > main_thread_queue_;
 
  DISALLOW_COPY_AND_ASSIGN(DefaultPlatform);
};
 
 
} }  // namespace v8::platform
 
 
#endif  // V8_LIBPLATFORM_DEFAULT_PLATFORM_H_