add max handle to limit the amount of handles to check.

@@ -36,6 +36,7 @@ TR_CLASS(TR_CommManager) {
 
 	TR_CommEndPoint * endpoints;
 	nfds_t            n_endpoints;
+	nfds_t            max_handle;
 };
 TR_INSTANCE_INIT(TR_CommManager);
 TR_CLASSVARS_DECL(TR_CommManager) {

@@ -80,10 +80,10 @@ TR_commManagerPollSelect(void * _this, TR_Event event, int timeout)
 	nfds_t             i;
 	int                nevents;
 
-	nevents = poll(this->fds, cmgr->n_endpoints, timeout);
+	nevents = poll(this->fds, cmgr->max_handle+1, timeout);
 
 	if (nevents) {
-		for (i = 0; i < cmgr->n_endpoints; i++) {
+		for (i = 0; i < cmgr->max_handle+1; i++) {
 			TR_CommEndPoint endpoint = cmgr->endpoints[i];
 
 			if ((this->fds[i].revents & POLLIN) == POLLIN) {

@@ -43,6 +43,10 @@ TR_commManagerAddEndpoint(void * _this, TR_CommEndPoint endpoint)
 		TR_delete(this->endpoints[endpoint->transport->handle]);
 	}
 
+	this->max_handle = endpoint->transport->handle > this->max_handle
+		? endpoint->transport->handle
+		: this->max_handle;
+
 	this->endpoints[endpoint->transport->handle] = endpoint;
 	TR_CALL(_this, TR_CommManager, addEndpoint, endpoint);
 }
@@ -102,6 +106,10 @@ TR_commManagerClose(void * _this, TR_Event event)
 
 	TR_socketShutdown(endpoint->transport);
 	TR_CALL(_this, TR_CommManager, close, event);
+
+	if (endpoint->transport->handle == this->max_handle) {
+		while (! this->endpoints[--this->max_handle]);
+	}
 	TR_delete(this->endpoints[endpoint->transport->handle]);
 
 	return TR_EVENT_DONE;