X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-app.h;h=fd5e93fe9e4cb80224fd9668eade6cb845fa8d87;hb=9d5b2fc0e9759ad89c5f0551dfe64fabd07afbfb;hp=11202ecaea5845a4ae8f354c7218a0a8d4a9b68c;hpb=5c786dedd0156b93984f89ba47ec841277ed7dae;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/ust-app.h b/src/bin/lttng-sessiond/ust-app.h
index 11202ecae..fd5e93fe9 100644
--- a/src/bin/lttng-sessiond/ust-app.h
+++ b/src/bin/lttng-sessiond/ust-app.h
@@ -102,6 +102,7 @@ struct ust_app_ctx {
 	struct lttng_ust_context ctx;
 	struct lttng_ust_object_data *obj;
 	struct lttng_ht_node_ulong node;
+	struct cds_list_head list;
 };
 
 struct ust_app_event {
@@ -141,7 +142,14 @@ struct ust_app_channel {
 	struct ust_app_stream_list streams;
 	/* Session pointer that owns this object. */
 	struct ust_app_session *session;
+	/*
+	 * Contexts are kept in a hash table for fast lookup and in an ordered list
+	 * so we are able to enable them on the tracer side in the same order the
+	 * user added them.
+	 */
 	struct lttng_ht *ctx;
+	struct cds_list_head ctx_list;
+
 	struct lttng_ht *events;
 	uint64_t tracefile_size;
 	uint64_t tracefile_count;
@@ -312,6 +320,12 @@ 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);
 
+static inline
+int ust_app_supported(void)
+{
+	return 1;
+}
+
 #else /* HAVE_LIBLTTNG_UST_CTL */
 
 static inline
@@ -520,6 +534,12 @@ unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess)
 	return 0;
 }
 
+static inline
+int ust_app_supported(void)
+{
+	return 0;
+}
+
 #endif /* HAVE_LIBLTTNG_UST_CTL */
 
 #endif /* _LTT_UST_APP_H */