srsLTE/lib/include/srslte/common/tti_sync_cv.h

/*
 * Copyright 2013-2019 Software Radio Systems Limited
 *
 * This file is part of srsLTE.
 *
 * srsLTE is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * srsLTE 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 Affero General Public License for more details.
 *
 * A copy of the GNU Affero General Public License can be found in
 * the LICENSE file in the top-level directory of this distribution
 * and at http://www.gnu.org/licenses/.
 *
 */

/******************************************************************************
 *  File:         tti_synch_cv.h
 *  Description:  Implements tti_sync interface with condition variables.
 *  Reference:
 *****************************************************************************/

#ifndef SRSLTE_TTI_SYNC_CV_H
#define SRSLTE_TTI_SYNC_CV_H

#include <pthread.h>
#include "srslte/common/tti_sync.h"

namespace srslte {
  
class tti_sync_cv : public tti_sync
{
  public: 
             tti_sync_cv(uint32_t modulus = 10240);
            ~tti_sync_cv();
    void     increase();
    void     increase(uint32_t cnt);
    uint32_t wait();
    void     resync();
    void     set_producer_cntr(uint32_t producer_cntr);
    
  private: 
    pthread_cond_t  cond; 
    pthread_mutex_t mutex; 
}; 

} // namespace srslte

#endif // SRSLTE_TTI_SYNC_CV_H