scheduler_sequence.h

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/*
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http:///www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


#ifndef PAGESPEED_KERNEL_THREAD_SCHEDULER_SEQUENCE_H_
#define PAGESPEED_KERNEL_THREAD_SCHEDULER_SEQUENCE_H_

#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/function.h"
#include "pagespeed/kernel/base/thread_annotations.h"
#include "pagespeed/kernel/base/vector_deque.h"
#include "pagespeed/kernel/thread/scheduler.h"
#include "pagespeed/kernel/thread/sequence.h"

namespace net_instaweb {

class Scheduler::Sequence : public net_instaweb::Sequence {
 public:
  explicit Sequence(Scheduler* scheduler);
  virtual ~Sequence();

  void Add(Function* function) override LOCKS_EXCLUDED(scheduler_->mutex());

  bool RunTasksUntil(int64 timeout_ms, bool* done)
      EXCLUSIVE_LOCKS_REQUIRED(scheduler_->mutex());

  void ForwardToSequence(net_instaweb::Sequence* forwarding_sequence)
      EXCLUSIVE_LOCKS_REQUIRED(scheduler_->mutex());

 private:
  VectorDeque<Function*> work_queue_ GUARDED_BY(scheduler_->mutex());
  Scheduler* scheduler_;
  net_instaweb::Sequence* forwarding_sequence_ GUARDED_BY(scheduler_->mutex());

  
};

}  

#endif