X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-app.h;h=fbf523399be0a1dd187e9167734e4b4b2596866c;hp=1b36496da2435ab090f652d4c7ebbfafe3e1ead5;hb=a9577b7628a85b064c3f249c3504bad989848b49;hpb=12e22e8d2e314f048583a240a0d703fa9cfc7869

diff --git a/src/bin/lttng-sessiond/ust-app.h b/src/bin/lttng-sessiond/ust-app.h
index 1b36496da..fbf523399 100644
--- a/src/bin/lttng-sessiond/ust-app.h
+++ b/src/bin/lttng-sessiond/ust-app.h
@@ -25,6 +25,7 @@
 
 #include "trace-ust.h"
 #include "ust-registry.h"
+#include "session.h"
 
 #define UST_APP_EVENT_LIST_SIZE 32
 
@@ -136,7 +137,11 @@ struct ust_app_channel {
 	int handle;
 	/* Channel and streams were sent to the UST tracer. */
 	int is_sent;
-	/* Unique key used to identify the channel on the consumer side. */
+	/*
+	 * Unique key used to identify the channel on the consumer side.
+	 * 0 is a reserved 'invalid' value used to indicate that the consumer
+	 * does not know about this channel (i.e. an error occurred).
+	 */
 	uint64_t key;
 	/* Id of the tracing channel set on creation. */
 	uint64_t tracing_channel_id;
@@ -340,7 +345,7 @@ 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,
+enum lttng_error_code ust_app_snapshot_record(struct ltt_ust_session *usess,
 		struct snapshot_output *output, int wait,
 		uint64_t nb_packets_per_stream);
 uint64_t ust_app_get_size_one_more_packet_per_stream(
@@ -355,6 +360,7 @@ int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess,
 		struct consumer_output *consumer,
 		int overwrite, uint64_t *discarded, uint64_t *lost);
 int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess);
+enum lttng_error_code ust_app_rotate_session(struct ltt_session *session);
 
 static inline
 int ust_app_supported(void)
@@ -533,7 +539,7 @@ void ust_app_destroy(struct ust_app *app)
 	return;
 }
 static inline
-int ust_app_snapshot_record(struct ltt_ust_session *usess,
+enum lttng_error_code ust_app_snapshot_record(struct ltt_ust_session *usess,
 		struct snapshot_output *output, int wait, uint64_t max_stream_size)
 {
 	return 0;
@@ -588,6 +594,12 @@ int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess)
 	return 0;
 }
 
+static inline
+enum lttng_error_code ust_app_rotate_session(struct ltt_session *session)
+{
+	return 0;
+}
+
 #endif /* HAVE_LIBLTTNG_UST_CTL */
 
 #endif /* _LTT_UST_APP_H */