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Fix: add rcu_barrier() after sessiond_cleanup()
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
main.c
diff --git
a/src/bin/lttng-sessiond/main.c
b/src/bin/lttng-sessiond/main.c
index 4bdac5217978d28dd2af6c036d66f0650615a9bf..9cc15d720210fc2a267fe178be19f55a31cf682a 100644
(file)
--- a/
src/bin/lttng-sessiond/main.c
+++ b/
src/bin/lttng-sessiond/main.c
@@
-1779,6
+1779,13
@@
stop_threads:
rcu_thread_online();
sessiond_cleanup();
rcu_thread_online();
sessiond_cleanup();
+ /*
+ * Wait for all pending call_rcu work to complete tearing shutting down
+ * the notification thread. This call_rcu work includes shutting down
+ * UST apps and event notifier pipes.
+ */
+ rcu_barrier();
+
if (notification_thread) {
lttng_thread_shutdown(notification_thread);
lttng_thread_put(notification_thread);
if (notification_thread) {
lttng_thread_shutdown(notification_thread);
lttng_thread_put(notification_thread);
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