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

//#include <signal.h>
//#include <sys/types.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
//#include <fcntl.h>


#define NUM_THREADS 5

void *PrintHello(void *threadid) {
   int n=0;
   printf("\n hello world!\n");
   //printf("\n%d: hello world!\n", (int *)threadid);
   pthread_exit(&n);
}

int main (int argc, char * argv[]) {
   pthread_t threads[NUM_THREADS];
   int rc, t;
   int idx[NUM_THREADS];

   for (t=0; t<NUM_THREADS; t++) {
      printf("Creating thread %d\n", t);
      idx[t]=t;
      rc = pthread_create( &threads[t], NULL, PrintHello, &idx[t]);
      if (rc){
         printf("ERROR; return code of pthread_create() is %d\n", rc);
         exit(-1);
      }
      //pthread_detach( threads[t] );
   }

   for (t=0; t<NUM_THREADS; t++){
   	   pthread_join( threads[t], NULL);
	   printf("got one!\n");
   }
   pthread_exit(0);
   return 0;
}