X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fcronhooks.php;h=c0549dfff8a54734e00444dbe9df6197ef3af504;hb=b4e8ec2806e41dff138d4f28d2c13ee9d08807cc;hp=27cf642b22776d238fff3447a061321c6799993d;hpb=5b4944fe8e951776542a0401a6766e92ff384020;p=friendica.git

diff --git a/include/cronhooks.php b/include/cronhooks.php
index 27cf642b22..c0549dfff8 100644
--- a/include/cronhooks.php
+++ b/include/cronhooks.php
@@ -9,31 +9,59 @@ function cronhooks_run(&$argv, &$argc){
 	if(is_null($a)) {
 		$a = new App;
 	}
-  
+
 	if(is_null($db)) {
 	    @include(".htconfig.php");
-    	require_once("dba.php");
+    	require_once("include/dba.php");
 	    $db = new dba($db_host, $db_user, $db_pass, $db_data);
     	unset($db_host, $db_user, $db_pass, $db_data);
   	};
 
 	require_once('include/session.php');
 	require_once('include/datetime.php');
+	require_once('include/pidfile.php');
 
 	load_config('config');
 	load_config('system');
 
+	$maxsysload = intval(get_config('system','maxloadavg'));
+	if($maxsysload < 1)
+		$maxsysload = 50;
+	if(function_exists('sys_getloadavg')) {
+		$load = sys_getloadavg();
+		if(intval($load[0]) > $maxsysload) {
+			logger('system: load ' . $load . ' too high. Poller deferred to next scheduled run.');
+			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;
+		}
+	}
+
 	$a->set_baseurl(get_config('system','url'));
 
 	load_hooks();
 
 	logger('cronhooks: start');
-	
 
 	$d = datetime_convert();
 
 	call_hooks('cron', $d);
 
+	logger('cronhooks: end');
+
 	return;
 }