mutex.h

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/*
 *  Copyright (C) 2012 Josh Bialkowski (jbialk@mit.edu)
 *
 *  This file is part of cpp-pthreads.
 *
 *  cpp-pthreads 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 of the License, or
 *  (at your option) any later version.
 *
 *  cpp-pthreads 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 cpp-pthreads.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef CPP_PTHREADS_MUTEX_H_
#define CPP_PTHREADS_MUTEX_H_

#include <pthread.h>

#include <cpp_pthreads/attr.h>

namespace pthreads {

class Mutex;


class ScopedLock {
 private:
  Mutex* m_mutex;

 public:
  ScopedLock(Mutex* mutex = 0);

  ScopedLock(Mutex& mutex);

  //ScopedLock( ScopedLock&& other );

  ~ScopedLock();


  ScopedLock& operator=(ScopedLock& other);

  void swap(ScopedLock& other);
};

class Condition;

class Mutex {
 private:
  pthread_mutex_t m_data;

 public:
  friend class Condition;

  int init();

  int init(const Attr<Mutex>& attr);

  int destroy();

  int setPriorityCeiling(int newCeil, int* oldCeil);

  int getPriorityCeiling(int&);

  int lock();

  int trylock();

  ScopedLock scopedLock();

  int unlock();
};

}

#endif // MUTEX_H_