joyent/node

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef SRC_NODE_WATCHDOG_H_
#define SRC_NODE_WATCHDOG_H_

#include "v8.h"
#include "uv.h"

#include "env.h"

namespace node {

class Watchdog {
 public:
  explicit Watchdog(Environment* env, uint64_t ms);
  ~Watchdog();

  void Dispose();

  inline Environment* env() const { return env_; }

 private:
  void Destroy();

  static void Run(void* arg);
  static void Async(uv_async_t* async);
  static void Timer(uv_timer_t* timer);

  Environment* env_;
  uv_thread_t thread_;
  uv_loop_t* loop_;
  uv_async_t async_;
  uv_timer_t timer_;
  bool destroyed_;
};

}  // namespace node

#endif  // SRC_NODE_WATCHDOG_H_