add some comments and fixme's

Author: kelvich

multimaster.c

@@ -2370,7 +2370,7 @@ static void MtmInitialize()
 		Mtm->nLiveNodes = 0; //MtmNodes;
 		Mtm->nAllNodes = MtmNodes;
 		Mtm->disabledNodeMask = 7; //XXXX
-		Mtm->clique = 7; // XXXX
+		Mtm->clique = 7; // XXXX ! should be inverted !
 		Mtm->stalledNodeMask = 0;
 		Mtm->stoppedNodeMask = 0;
 		Mtm->deadNodeMask = 0;

pglogical_receiver.c

@@ -366,8 +366,7 @@ pglogical_receiver_main(Datum main_arg)
 			}
 			if (n_deleted_slots == Mtm->nAllNodes - 1)
 			{
-				elog(WARNING, "All neighbour nopes have no replication slot for us. Exiting.");
-				kill(PostmasterPid, SIGTERM);
+				elog(FATAL, "All neighbour nopes have no replication slot for us. Exiting.");
 			}
 			proc_exit(1);
 		}

state.c

@@ -143,7 +143,7 @@ MtmCheckState(void)
 
 
 void
-MtmStateProcessNeighborEvent(int node_id, MtmNeighborEvent ev)
+MtmStateProcessNeighborEvent(int node_id, MtmNeighborEvent ev) // XXXX camelcase node_id
 {
 	MTM_LOG1("[STATE] Node %i: %s", node_id, MtmNeighborEventMnem[ev]);
 
@@ -402,7 +402,7 @@ MtmRefreshClusterStatus()
 
 	if (newClique != trivialClique)
 	{
-		MTM_LOG1("[STATE] NONTRIVIAL CLIQUE!");
+		MTM_LOG1("[STATE] NONTRIVIAL CLIQUE! (trivial: %s)", maskToString(trivialClique, Mtm->nAllNodes)); // XXXX some false-positives, fixme
 	}
 
 	/*