+ $maxsysload = intval(get_config('system','maxloadavg'));
+ if($maxsysload < 1)
+ $maxsysload = 50;
+
+ $load = current_load();
+ if($load) {
+ if(intval($load) > $maxsysload) {
+ logger('system: load ' . $load . ' too high. Cronhooks deferred to next scheduled run.');
+ return;
+ }
+ }
+
+ $last = get_config('system','last_cronhook');
+
+ $poll_interval = intval(get_config('system','cronhook_interval'));
+ if(! $poll_interval)
+ $poll_interval = 9;
+
+ if($last) {
+ $next = $last + ($poll_interval * 60);
+ if($next > time()) {
+ logger('cronhook intervall not reached');
+ return;
+ }
+ }
+
+ $lockpath = get_lockpath();