mixer->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7, _8));
struct sigaction act;
+ memset(&act, 0, sizeof(act));
act.sa_handler = schedule_cut_signal;
act.sa_flags = SA_RESTART;
sigaction(SIGHUP, &act, nullptr);
// Mostly for debugging. Don't override SIGINT, that's so evil if
// shutdown isn't instant.
+ memset(&act, 0, sizeof(act));
act.sa_handler = quit_signal;
act.sa_flags = SA_RESTART;
sigaction(SIGUSR1, &act, nullptr);