SoW-2019-0002: Dynamic Snapshot

[lttng-tools.git] / src / bin / lttng-sessiond / agent-thread.c

diff --git a/src/bin/lttng-sessiond/agent-thread.c b/src/bin/lttng-sessiond/agent-thread.c
index c278ce95e506daabf779636b2544dc799181b38e..3587fd4713312a7f85d0c577adaadc6852cff418 100644 (file)
--- a/src/bin/lttng-sessiond/agent-thread.c
+++ b/src/bin/lttng-sessiond/agent-thread.c
@@ -49,6 +49,8 @@ static void update_agent_app(struct agent_app *app)
 {
        struct ltt_session *session, *stmp;
        struct ltt_session_list *list;
+       struct agent *trigger_agent;
+       struct lttng_ht_iter iter;
 
        list = session_get_list();
        assert(list);
@@ -74,6 +76,14 @@ static void update_agent_app(struct agent_app *app)
                session_put(session);
        }
        session_unlock_list();
+
+       /* Do we need more locking here? maybe against trigger add? */
+       rcu_read_lock();
+       cds_lfht_for_each_entry (trigger_agents_ht_by_domain->ht, &iter.iter,
+                       trigger_agent, node.node) {
+               agent_update(trigger_agent, app->sock->fd);
+       }
+       rcu_read_unlock();
 }
 
 /*