Launch the rotation thread using lttng_thread

[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 1b36496da2435ab090f652d4c7ebbfafe3e1ead5..fbf523399be0a1dd187e9167734e4b4b2596866c 100644 (file)
--- 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 */