rb_w32_select_with_thread  651 thread_win32.c int rb_w32_select_with_thread(int, fd_set *, fd_set *, fd_set *, struct timeval *, void *);	/* @internal */
rb_w32_select_with_thread  669 thread_win32.c     return rb_w32_select_with_thread(n, r, w, e, timeout, th);
rb_w32_select_with_thread 3095 win32/win32.c      return rb_w32_select_with_thread(nfds, rd, wr, ex, timeout, 0);