X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Flive.c;h=ed52012407be36ef76a04d1c494a028d148bf6cd;hp=fd570e0fc4bd801ebe065e5fd32b2f1c7780323f;hb=93b4787b203ca4286c29ed484684ed34c3c8fe5d;hpb=b4aacfdce9fe9fddc01b738a8cc807d764245cef

diff --git a/src/bin/lttng-relayd/live.c b/src/bin/lttng-relayd/live.c
index fd570e0fc..ed5201240 100644
--- a/src/bin/lttng-relayd/live.c
+++ b/src/bin/lttng-relayd/live.c
@@ -488,6 +488,11 @@ restart:
 			revents = LTTNG_POLL_GETEV(&events, i);
 			pollfd = LTTNG_POLL_GETFD(&events, i);
 
+			if (!revents) {
+				/* No activity for this FD (poll implementation). */
+				continue;
+			}
+
 			/* Thread quit pipe has been closed. Killing thread. */
 			ret = check_thread_quit_pipe(pollfd, revents);
 			if (ret) {
@@ -707,7 +712,12 @@ int viewer_connect(struct relay_connection *conn)
 	reply.major = htobe32(reply.major);
 	reply.minor = htobe32(reply.minor);
 	if (conn->type == RELAY_VIEWER_COMMAND) {
-		reply.viewer_session_id = htobe64(++last_relay_viewer_session_id);
+		/*
+		 * Increment outside of htobe64 macro, because can be used more than once
+		 * within the macro, and thus the operation may be undefined.
+		 */
+		last_relay_viewer_session_id++;
+		reply.viewer_session_id = htobe64(last_relay_viewer_session_id);
 	}
 
 	health_code_update();
@@ -1922,6 +1932,11 @@ restart:
 
 			health_code_update();
 
+			if (!revents) {
+				/* No activity for this FD (poll implementation). */
+				continue;
+			}
+
 			/* Thread quit pipe has been closed. Killing thread. */
 			ret = check_thread_quit_pipe(pollfd, revents);
 			if (ret) {
@@ -2092,7 +2107,10 @@ int relayd_live_create(struct lttng_uri *uri,
 	cds_wfcq_init(&viewer_conn_queue.head, &viewer_conn_queue.tail);
 
 	/* Set up max poll set size */
-	lttng_poll_set_max_size();
+	if (lttng_poll_set_max_size()) {
+		retval = -1;
+		goto exit_init_data;
+	}
 
 	/* Setup the dispatcher thread */
 	ret = pthread_create(&live_dispatcher_thread, NULL,
@@ -2129,13 +2147,11 @@ int relayd_live_create(struct lttng_uri *uri,
 	 */
 	return retval;
 
+	/*
+	 * Join on the live_listener_thread should anything be added after
+	 * the live_listener thread's creation.
+	 */
 
-	ret = pthread_join(live_listener_thread, &status);
-	if (ret) {
-		errno = ret;
-		PERROR("pthread_join live listener");
-		retval = -1;
-	}
 exit_listener_thread:
 
 	ret = pthread_join(live_worker_thread, &status);