cvd/synchronized.h

#ifndef SYNCHRONIZED_H_
#define SYNCHRONIZED_H_

// POSIX threads
#include <pthread.h>

#include <cvd/nocopy.h>

namespace CVD {

class Synchronized : private NoCopy
{
 public:
  Synchronized();
  virtual ~Synchronized();

  void lock() const;
   
  void unlock() const;
   
 protected:
   pthread_mutexattr_t     myAttr;
   mutable pthread_mutex_t myMutex;
};

class Lock : private NoCopy {
public:

    explicit Lock(const Synchronized& obj)
    : myObject(obj) {
        myObject.lock();
    }

    ~Lock() {
        myObject.unlock();
    }

private:

    const Synchronized& myObject;
};

}  
#endif