cvd/synchronized.h

#ifndef SYNCHRONIZED_H_
#define SYNCHRONIZED_H_

// POSIX threads
#include <pthread.h>

namespace CVD {

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

  void lock() const;
   
  void unlock() const;
   
 protected:
   static pthread_mutexattr_t ourAttr;
   static bool ourInitFlag;
   mutable pthread_mutex_t myMutex; 
};

struct Lock {
  const Synchronized& myObject;
  Lock(const Synchronized& obj) : myObject(obj) { myObject.lock(); }
  virtual ~Lock() { myObject.unlock(); }
};

}  
#endif

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