logging of deadlocks (if any) during cleanup process

source/net/yacy/search/Switchboard.java

@@ -113,6 +113,7 @@ import net.yacy.cora.protocol.TimeoutRequest;
 import net.yacy.cora.protocol.http.HTTPClient;
 import net.yacy.cora.protocol.http.ProxySettings;
 import net.yacy.cora.util.ConcurrentLog;
+import net.yacy.cora.util.Memory;
 import net.yacy.crawler.CrawlStacker;
 import net.yacy.crawler.CrawlSwitchboard;
 import net.yacy.crawler.HarvestProcess;
@@ -2313,6 +2314,9 @@ public final class Switchboard extends serverSwitch {
             // these actions may also influence the search index/ call optimize steps
             execAPIActions();
             
+            // show deadlocks if there are any in the log
+            if (Memory.deadlocks() > 0) Memory.logDeadlocks();
+            
             return true;
         } catch ( final InterruptedException e ) {
             this.log.info("cleanupJob: Shutdown detected");