join_thread
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(pid);
join_thread(threads + i);