/* hello.c -- compile with "gcc -Wall hello.c -o hello -lpthread"
              The Hello program using threads.
 */

#include  <pthread.h>
#include <stdio.h>
#include  <stdlib.h>

#define TOTALRUN   16

void moo(void * x);

int main()
{
      struct timespec maintime = {TOTALRUN, 0};
      pthread_t theThread;

      if (pthread_create(&theThread, NULL, (void *)moo, NULL)
	 != 0){
	     perror("pthread_create");
	     exit(1);
      }
      /* Wait a while then exit: all existing threads will die */
      nanosleep(&maintime, NULL);
      return 0;
}

void moo(void * x) 
/* We assume that a thread sleeps one second in each iteration */
{
     struct timespec interval = {1, 0};
     while (1){
         printf ("Hello World!\n");
	 nanosleep(&interval, NULL);
     }
}