ap_start_shutdown  224 server/mpm/beos/beos.c     ap_start_shutdown();
ap_start_shutdown  447 server/mpm/experimental/event/event.c     ap_start_shutdown(sig == AP_SIG_GRACEFUL_STOP);
ap_start_shutdown  418 server/mpm/worker/worker.c     ap_start_shutdown(sig == AP_SIG_GRACEFUL_STOP);