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concurrence.hpp

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/*
 * Equation Cruncher
 * Copyright (C) 2004  Dhruv Matani(dhruvbird@yahoo.com)
 * 
 * 
 * This program 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 2 of the
 * License, or (at your option) any later version.
 * 
 * This program 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */


#if !defined EC_CONCURRENCE_HPP
#define EC_CONCURRENCE_HPP

#include <pthread.h>

namespace eqn_cruncher
{
  class pthr_lock
  {
    pthread_mutex_t _mut;
    pthr_lock(const pthr_lock&);
    pthr_lock& operator=(const pthr_lock&);

  public:
    pthr_lock()
    {
      pthread_mutex_init(&_mut, NULL);
    }

    ~pthr_lock()
    {
      pthread_mutex_destroy(&_mut);
    }

    void
    lock()
    {
      pthread_mutex_lock(&_mut);
    }

    void
    unlock()
    {
      pthread_mutex_unlock(&_mut);
    }
  };
}

#endif // EC_CONCURRENCE_H

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