FD_ZERO(&wfds);
FD_ZERO(&rfds);
/* always check signal pipe and the local socket */
- FD_SET(signal_pipe, &rfds);
- max_fileno = signal_pipe;
+ para_fd_set(signal_pipe, &rfds, &max_fileno);
para_fd_set(audiod_socket, &rfds, &max_fileno);
if (audiod_status != AUDIOD_ON)