159     WATCHDOG *wp;  in watchdog_event()  local
167     if ((wp = watchdog_curr) == 0)  in watchdog_event()
170 	msg_info("%s: %p %d", myname, (void *) wp, wp->trip_run);  in watchdog_event()
171     if (++(wp->trip_run) < WATCHDOG_STEPS) {  in watchdog_event()
180 	alarm(wp->timeout);  in watchdog_event()
182 	if (wp->action)  in watchdog_event()
183 	    wp->action(wp, wp->context);  in watchdog_event()
200     WATCHDOG *wp;  in watchdog_create()  local
202     wp = (WATCHDOG *) mymalloc(sizeof(*wp));  in watchdog_create()
203     if ((wp->timeout = timeout / WATCHDOG_STEPS) == 0)  in watchdog_create()
205     wp->action = action;  in watchdog_create()
206     wp->context = context;  in watchdog_create()
207     wp->saved_watchdog = watchdog_curr;  in watchdog_create()
208     wp->saved_time = alarm(0);  in watchdog_create()
216     if (sigaction(SIGALRM, &sig_action, &wp->saved_action) < 0)  in watchdog_create()
219 	msg_info("%s: %p %d", myname, (void *) wp, timeout);  in watchdog_create()
231     return (watchdog_curr = wp);  in watchdog_create()
236 void    watchdog_destroy(WATCHDOG *wp)  in watchdog_destroy()  argument
240     watchdog_stop(wp);  in watchdog_destroy()
241     watchdog_curr = wp->saved_watchdog;  in watchdog_destroy()
242     if (sigaction(SIGALRM, &wp->saved_action, (struct sigaction *) 0) < 0)  in watchdog_destroy()
244     if (wp->saved_time)  in watchdog_destroy()
245 	alarm(wp->saved_time);  in watchdog_destroy()
246     myfree((void *) wp);  in watchdog_destroy()
255 	msg_info("%s: %p", myname, (void *) wp);  in watchdog_destroy()
260 void    watchdog_start(WATCHDOG *wp)  in watchdog_start()  argument
264     if (wp != watchdog_curr)  in watchdog_start()
266     wp->trip_run = 0;  in watchdog_start()
267     alarm(wp->timeout);  in watchdog_start()
269 	msg_info("%s: %p", myname, (void *) wp);  in watchdog_start()
274 void    watchdog_stop(WATCHDOG *wp)  in watchdog_stop()  argument
278     if (wp != watchdog_curr)  in watchdog_stop()
282 	msg_info("%s: %p", myname, (void *) wp);  in watchdog_stop()
303     WATCHDOG *wp;  in main()  local
307     wp = watchdog_create(10, (WATCHDOG_FN) 0, (void *) 0);  in main()
308     watchdog_start(wp);  in main()
312     watchdog_destroy(wp);  in main()