Fix: compat poll: add missing empty revents checks

[lttng-tools.git] / src / bin / lttng-relayd / health-relayd.c

diff --git a/src/bin/lttng-relayd/health-relayd.c b/src/bin/lttng-relayd/health-relayd.c
index af375e26d4b049d5d3d2f0be75c6e302f7a95c10..75149ba4b46526a0494bfea623b3115c676064d4 100644 (file)
--- a/src/bin/lttng-relayd/health-relayd.c
+++ b/src/bin/lttng-relayd/health-relayd.c
@@ -330,6 +330,11 @@ restart:
                        revents = LTTNG_POLL_GETEV(&events, i);
                        pollfd = LTTNG_POLL_GETFD(&events, i);
 
                        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_health_quit_pipe(pollfd, revents);
                        if (ret) {
                        /* Thread quit pipe has been closed. Killing thread. */
                        ret = check_health_quit_pipe(pollfd, revents);
                        if (ret) {