Create stream files relative to a stream's current trace chunk

[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 a5dc0d300c51a790bd762d85307829bd50389a44..9afbe6bc269b544ba8db2150c4ef2bb44bc87335 100644 (file)
--- a/src/bin/lttng-sessiond/ust-app.h
+++ b/src/bin/lttng-sessiond/ust-app.h
@@ -140,7 +140,7 @@ struct ust_app_channel {
        /*
         * 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 occured).
+        * does not know about this channel (i.e. an error occurred).
         */
        uint64_t key;
        /* Id of the tracing channel set on creation. */
@@ -206,6 +206,7 @@ struct ust_app_session {
         * ust_sessions_objd hash table in the ust_app object.
         */
        struct lttng_ht_node_ulong ust_objd_node;
+       /* Starts with 'ust'; no leading slash. */
        char path[PATH_MAX];
        /* UID/GID of the application owning the session */
        uid_t uid;
@@ -315,17 +316,12 @@ int ust_app_create_channel_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan);
 int ust_app_create_event_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
-int ust_app_enable_event_pid(struct ltt_ust_session *usess,
-               struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
-               pid_t pid);
 int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan);
 int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan);
 int ust_app_enable_event_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
-int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
-               struct ltt_ust_channel *uchan);
 int ust_app_disable_event_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
 int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
@@ -345,11 +341,12 @@ 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,
+enum lttng_error_code ust_app_snapshot_record(
+               const struct ltt_ust_session *usess,
+               const struct snapshot_output *output, int wait,
                uint64_t nb_packets_per_stream);
 uint64_t ust_app_get_size_one_more_packet_per_stream(
-               struct ltt_ust_session *usess, uint64_t cur_nr_packets);
+               const struct ltt_ust_session *usess, uint64_t cur_nr_packets);
 struct ust_app *ust_app_find_by_sock(int sock);
 int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id,
                struct cds_list_head *buffer_reg_uid_list,
@@ -360,7 +357,9 @@ 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);
-int ust_app_rotate_session(struct ltt_session *session);
+enum lttng_error_code ust_app_rotate_session(struct ltt_session *session);
+enum lttng_error_code ust_app_create_channel_subdirectories(
+               const struct ltt_ust_session *session);
 
 static inline
 int ust_app_supported(void)
@@ -468,12 +467,6 @@ int ust_app_create_channel_glb(struct ltt_ust_session *usess,
        return 0;
 }
 static inline
-int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
-               struct ltt_ust_channel *uchan)
-{
-       return 0;
-}
-static inline
 int ust_app_create_event_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
 {
@@ -539,7 +532,7 @@ 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;
@@ -600,6 +593,13 @@ enum lttng_error_code ust_app_rotate_session(struct ltt_session *session)
        return 0;
 }
 
+static inline
+enum lttng_error_code ust_app_create_channel_subdirectories(
+               const struct ltt_ust_session *session)
+{
+       return 0;
+}
+
 #endif /* HAVE_LIBLTTNG_UST_CTL */
 
 #endif /* _LTT_UST_APP_H */