#include <stdio.h>
#include <sys/types.h>
#include <pthread.h>
#include <unistd.h>
#include <string.h>

void *
counter(void *arg)
{
  int i;
  int cnt = *((int *) arg);
  pid_t pid = getpid();

  for (i=0; i<cnt; i++)
    printf ("[%d]counter: %d\n", pid, i);

  return NULL;
}

void *
no_counter (void *arg)
{
  pid_t pid = getpid();

  printf ("[%d]no_counter\n", pid);

  return NULL;
}

int
main (void)
{
  pid_t p_pid;
  pthread_t thread_id1, thread_id2;
  int status;
  int count = 10;

  p_pid = getpid ();
  printf ("[%d]start\n", p_pid);

  status = pthread_create (&thread_id1, NULL, counter, (void *)&count);
  if (status != 0)
    {
      fprintf (stderr, "pthread_create : %s", strerror(status));
      return (1);
    }

  status = pthread_create (&thread_id2, NULL, no_counter, (void *)NULL);
  if (status != 0)
    {
      fprintf (stderr, "pthread_create : %s", strerror(status));
      pthread_join (thread_id1, NULL);
      return (1);
    }

  pthread_join (thread_id2, NULL);
  pthread_join (thread_id1, NULL);

  printf ("[%d]end\n",p_pid);
  return 0;
}