+ $maxsysload = intval(get_config('system','maxloadavg'));
+ if($maxsysload < 1)
+ $maxsysload = 50;
+ if(function_exists('sys_getloadavg')) {
+ $load = sys_getloadavg();
+ if(intval($load[0]) > $maxsysload) {
+ logger('system: load ' . $load[0] . ' 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;
+ }
+ }
+
+ $lockpath = get_lockpath();
+ if ($lockpath != '') {
+ $pidfile = new pidfile($lockpath, 'cronhooks');
+ if($pidfile->is_already_running()) {
+ logger("cronhooks: Already running");
+ if ($pidfile->running_time() > 19*60) {
+ $pidfile->kill();
+ logger("cronhooks: killed stale process");
+ // Calling a new instance
+ proc_run('php','include/cronhooks.php');
+ }
+ exit;
+ }
+ }
+