do_select        2444 thread.c       	    result = do_select(fd + 1, rb_fd_ptr(&set), 0, 0, 0);
do_select        2447 thread.c       	    result = do_select(fd + 1, 0, rb_fd_ptr(&set), 0, 0);
do_select        2486 thread.c       	return do_select(max, read, write, except, timeout);
do_select        2288 win32/win32.c  		r = do_select(nfds, rd, wr, ex, &zero); // polling
do_select        2305 win32/win32.c  		r = do_select(nfds, rd, wr, ex, &zero);	// polling