Introduce trigger hash table with tracer token as key

[lttng-tools.git] / src / bin / lttng-sessiond / notification-thread.h

diff --git a/src/bin/lttng-sessiond/notification-thread.h b/src/bin/lttng-sessiond/notification-thread.h
index bfce4cd3fbb8c8bca208f7b0d753f7e4446a73db..83a5bea79e175240b462e0703c743220ee98ba02 100644 (file)
--- a/src/bin/lttng-sessiond/notification-thread.h
+++ b/src/bin/lttng-sessiond/notification-thread.h
@@ -47,6 +47,15 @@ struct notification_event_tracer_event_source_element {
        struct cds_list_head node;
 };
 
+struct notification_trigger_tokens_ht_element {
+       uint64_t token;
+       /* Weak reference to the trigger. */
+       struct lttng_trigger *trigger;
+       struct cds_lfht_node node;
+       /* call_rcu delayed reclaim. */
+       struct rcu_head rcu_node;
+};
+
 struct notification_thread_handle {
        /*
         * Queue of struct notification command.
@@ -258,6 +267,7 @@ struct notification_thread_state {
        struct cds_lfht *sessions_ht;
        struct cds_lfht *triggers_ht;
        struct cds_lfht *triggers_by_name_uid_ht;
+       struct cds_lfht *trigger_tokens_ht;
        struct {
                uint64_t next_tracer_token;
                uint64_t name_offset;