printf ("cannot create thread t3: %s\n", strerror (err));
printf ("cannot create thread t4: %s\n", strerror (err));
main (int argc, char *argv[]){  pthread_t td;  int err;  char *tmp;  const char *prefix;  const char template[] = "thtstXXXXXX";  struct stat64 st;  int result = 0;  prefix = argc > 1 ? argv[1] : "";  tmp = (char *) alloca (strlen (prefix) + sizeof template);  strcpy (stpcpy (tmp, prefix), template);  fd = mkstemp (tmp);  if (fd == -1)    {      printf ("cannot create temporary file: %m");      exit (1);    }  unlink (tmp);  err = pthread_barrier_init (&bar, NULL, 2);  if (err != 0 )    {      printf ("cannot create barrier: %s\n", strerror (err));      exit (1);    }#ifdef NOT_YET  err = pthread_create (&td, NULL, t1, NULL);  if (err != 0)    {      printf ("cannot create thread t1: %s\n", strerror (err));      exit (1);    }  err = pthread_join (td, NULL);  if (err != 0)    {      printf ("cannot join thread: %s\n", strerror (err));      exit (1);    }  err = pthread_create (&td, NULL, t2, (void *) 3);  if (err != 0)    {      printf ("cannot create thread t2: %s\n", strerror (err));      exit (1);    }  err = pthread_join (td, NULL);  if (err != 0)    {      printf ("cannot join thread: %s\n", strerror (err));      exit (1);    }  err = pthread_create (&td, NULL, t3, (void *) 5);  if (err != 0)    {      printf ("cannot create thread t3: %s\n", strerror (err));      exit (1);    }  err = pthread_join (td, NULL);  if (err != 0)    {      printf ("cannot join thread: %s\n", strerror (err));      exit (1);    }#endif  err = pthread_create (&td, NULL, t4, (void *) 7);  if (err != 0)    {      printf ("cannot create thread t3: %s\n", strerror (err));      exit (1);    }  err = pthread_join (td, NULL);  if (err != 0)    {      printf ("cannot join thread: %s\n", strerror (err));      exit (1);    }  if (fstat64 (fd, &st) < 0)    {      printf ("cannot stat temporary file: %m\n");      result = 1;    }  else if (st.st_size != 0)    {      char buf[512];      puts ("some cleanup handlers ran:");      fflush (stdout);      __lseek (fd, 0, SEEK_SET);      while (1)	{	  ssize_t n = read (fd, buf, sizeof buf);	  if (n <= 0)	    break;	  write (STDOUT_FILENO, buf, n);	}      result = 1;    }  // if (cleanupokcnt != 3)  will be three once t3 runs  if (cleanupokcnt != 2)    {      printf ("cleanupokcnt = %d\n", cleanupokcnt);      result = 1;    }  return result;}