#include <iostream>
#include <pthread.h>

using namespace std;

class CThread {
   public:
      CThread() {};
      virtual ~CThread() {};
      int Create(void *arg);
      int Join(void **ppvalue);
   protected:
      static void *EntryPoint(void *);
      virtual void Execute(void *arg);
      void *Arg() const {return m_arg;}
      void Arg(void *a) {m_arg = a;}
   private:
      pthread_t m_threadId;
      void *m_arg;
};

int CThread::Create(void *arg) {
   int retval;
   
   Arg(arg);
   retval = pthread_create(&m_threadId, NULL, CThread::EntryPoint, this);

   return retval;
}

int CThread::Join(void **ppvalue) {
   int retval;
   
   retval = pthread_join(m_threadId, ppvalue);
   
   return retval;
}

void *CThread::EntryPoint(void *pthis) {
   CThread *pt = (CThread *)pthis;
   pt->Execute( pt->Arg() );
   
   return NULL;
}

void CThread::Execute(void *arg) {
 
}

class CDemoThread : public CThread {
   virtual void Execute(void *arg) {
      cout << *(int *)arg << endl;
   }
};

int main(void)
{
   CDemoThread dmt;
   int i = 101;
   
   dmt.Create(&i);
   dmt.Join(NULL);
   
   return EXIT_SUCCESS;
}