static void watchdog_event(int unused_sig)
{
char *myname = "watchdog_event";
WATCHDOG *wp;
/*
* This routine runs as a signal handler. We should not do anything that
* could involve memory allocation/deallocation, but exiting without
* proper explanation would be unacceptable.
*/
if ((wp = watchdog_curr) == 0)
msg_panic("%s: no instance", myname);
if (msg_verbose)
msg_info("%s: %p %d", myname, (void *) wp, wp->trip_run);
if (++(wp->trip_run) < WATCHDOG_STEPS) {
alarm(wp->timeout);
} else {
if (wp->action)
wp->action(wp, wp->context);
else
msg_fatal("watchdog timeout");
}
}
static void watchdog_event(int unused_sig)
{
const char *myname = "watchdog_event";
WATCHDOG *wp;
/*
* This routine runs as a signal handler. We should not do anything that
* could involve memory allocation/deallocation, but exiting without
* proper explanation would be unacceptable. For this reason, msg(3) was
* made safe for usage by signal handlers that terminate the process.
*/
if ((wp = watchdog_curr) == 0)
msg_panic("%s: no instance", myname);
if (msg_verbose > 1)
msg_info("%s: %p %d", myname, (void *) wp, wp->trip_run);
if (++(wp->trip_run) < WATCHDOG_STEPS) {
#ifdef USE_WATCHDOG_PIPE
int saved_errno = errno;
/* Wake up the events(3) engine. */
if (write(watchdog_pipe[1], "", 1) != 1)
msg_warn("%s: write watchdog_pipe: %m", myname);
errno = saved_errno;
#endif
alarm(wp->timeout);
} else {
if (wp->action)
wp->action(wp, wp->context);
else {
killme_after(5);
#ifdef TEST
pause();
#endif
msg_fatal("watchdog timeout");
}
}
}