orders shutdown, comply immediately without calling poll().
+ if (main_shutdown)
+ break;
/* FIXME: Here is a small race window where SIGCHLD can come unnoticed. */
if ((tm = clist_head(&main_timer_list)) && tm->expires < wake)
wake = tm->expires;
/* FIXME: Here is a small race window where SIGCHLD can come unnoticed. */
if ((tm = clist_head(&main_timer_list)) && tm->expires < wake)
wake = tm->expires;