Support snapshot max-size limitation

[lttng-tools.git] / src / bin / lttng-sessiond / ust-app.h

diff --git a/src/bin/lttng-sessiond/ust-app.h b/src/bin/lttng-sessiond/ust-app.h
index 30835e03fb064523b6298073e656b99b33bcf0ae..11202ecaea5845a4ae8f354c7218a0a8d4a9b68c 100644 (file)
--- a/src/bin/lttng-sessiond/ust-app.h
+++ b/src/bin/lttng-sessiond/ust-app.h
@@ -175,10 +175,10 @@ struct ust_app_session {
         * Tracing session ID. Multiple ust app session can have the same tracing
         * session id making this value NOT unique to the object.
         */
-       int tracing_id;
+       uint64_t tracing_id;
        uint64_t id;    /* Unique session identifier */
        struct lttng_ht *channels; /* Registered channels */
-       struct lttng_ht_node_ulong node;
+       struct lttng_ht_node_u64 node;
        char path[PATH_MAX];
        /* UID/GID of the application owning the session */
        uid_t uid;
@@ -197,6 +197,8 @@ struct ust_app_session {
        uint32_t bits_per_long;
        /* For delayed reclaim */
        struct rcu_head rcu_head;
+       /* If the channel's streams have to be outputed or not. */
+       unsigned int output_traces;
 };
 
 /*
@@ -306,6 +308,9 @@ void ust_app_notify_sock_unregister(int sock);
 ssize_t ust_app_push_metadata(struct ust_registry_session *registry,
                struct consumer_socket *socket, int send_zero_data);
 void ust_app_destroy(struct ust_app *app);
+int ust_app_snapshot_record(struct ltt_ust_session *usess,
+               struct snapshot_output *output, int wait, unsigned int nb_streams);
+unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess);
 
 #else /* HAVE_LIBLTTNG_UST_CTL */
 
@@ -503,6 +508,17 @@ void ust_app_destroy(struct ust_app *app)
 {
        return;
 }
+static inline
+int ust_app_snapshot_record(struct ltt_ust_session *usess,
+               struct snapshot_output *output, int wait, unsigned int nb_stream)
+{
+       return 0;
+}
+static inline
+unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess)
+{
+       return 0;
+}
 
 #endif /* HAVE_LIBLTTNG_UST_CTL */