#ifndef _THREADS_H_
#define _THREADS_H_

#ifdef MULTITHREADED

#include <pthread.h>

template<class T> class ThreadSingleton
{
pthread_key_t mt_key;

  public:

ThreadSingleton()
 {
 pthread_key_create(&mt_key,&destructor);
 }

static void destructor(void* o)
 {
 if (o)
	 delete (T*)o;
 }

T* set(T* new_o)
 {
 T* o=(T*)pthread_getspecific(mt_key);
 pthread_setspecific(mt_key,new_o);
 return o;
 }

T* get()
 {
 T* o=(T*)pthread_getspecific(mt_key);
 if (!o)
	 {
	 o=new T();
	 pthread_setspecific(mt_key,o);
	 }
 return o;
 }

T& getref() {return *get();}
};

#else

template<class T> class ThreadSingleton
{
T object;

  public:

T* get() {return &object;}
T& getref() {return object;}
};

#endif

#endif