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/* -*- c++ -*- */
/*
 * Copyright 2008 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * GNU Radio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#ifndef INCLUDED_GR_SCHEDULER_STS_H
#define INCLUDED_GR_SCHEDULER_STS_H

#include <gr_runtime_api.h>
#include <gr_scheduler.h>
#include <thread/thread_group.h>

/*!
 * \brief Concrete scheduler that uses the single_threaded_scheduler
 */
class GR_RUNTIME_API gr_scheduler_sts : public gr_scheduler
{
  gr::thread::thread_group		       d_threads;

protected:
  /*!
   * \brief Construct a scheduler and begin evaluating the graph.
   *
   * The scheduler will continue running until all blocks until they
   * report that they are done or the stop method is called.
   */
  gr_scheduler_sts(gr_flat_flowgraph_sptr ffg, int max_noutput_items);

public:
  static gr_scheduler_sptr make(gr_flat_flowgraph_sptr ffg, int max_noutput_items);

  ~gr_scheduler_sts();

  /*!
   * \brief Tell the scheduler to stop executing.
   */
  void stop();

  /*!
   * \brief Block until the graph is done.
   */
  void wait();
};




#endif /* INCLUDED_GR_SCHEDULER_STS_H */