Prevent heartbeats from occurring if the cluster is stopping.

kvap · kvap · commit 87882afee5fc · 2016-08-16T15:51:00.000+03:00
diff --git a/contrib/mmts/arbiter.c b/contrib/mmts/arbiter.c
@@ -377,7 +377,7 @@ static void MtmSendHeartbeat()
 
 void MtmCheckHeartbeat()
 {
-	if (send_heartbeat) {
+	if (send_heartbeat && !stop) {
 		send_heartbeat = false;
 		enable_timeout_after(heartbeat_timer, MtmHeartbeatSendTimeout);
 		MtmSendHeartbeat();

Original file line number	Diff line number	Diff line change
`@@ -377,7 +377,7 @@ static void MtmSendHeartbeat()`
`377`	`377`
`378`	`378`	`void MtmCheckHeartbeat()`
`379`	`379`	`{`
`380`		`- if (send_heartbeat) {`
	`380`	`+ if (send_heartbeat && !stop) {`
`381`	`381`	`send_heartbeat = false;`
`382`	`382`	`enable_timeout_after(heartbeat_timer, MtmHeartbeatSendTimeout);`
`383`	`383`	`MtmSendHeartbeat();`