sessiond: relay_session: use lttng::utils::container_of

caa_container_of makes use of offsetof which is conditionally
supported for non-POD types. Replace its use by
lttng::utils::container_of.

Change-Id: I0fb69c7132665ea0ee3067445884ec1115ba9872
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/src/bin/lttng-relayd/session.cpp b/src/bin/lttng-relayd/session.cpp
index c199efcd1055214405c1dbb3b242879e91b31223..06dcbf2a8c1a004f77fab2fe57a9723831470d96 100644 (file)
--- a/src/bin/lttng-relayd/session.cpp
+++ b/src/bin/lttng-relayd/session.cpp
@@ -559,7 +559,7 @@ end:
 
 static void rcu_destroy_session(struct rcu_head *rcu_head)
 {
-       struct relay_session *session = caa_container_of(rcu_head, struct relay_session, rcu_node);
+       auto *session = lttng::utils::container_of(rcu_head, &relay_session::rcu_node);
        /*
         * Since each trace has a reference on the session, it means
         * that if we are at the point where we teardown the session, no