Fix: sessiond: rotation thread: fatal error when not finding a session

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

diff --git a/src/bin/lttng-sessiond/kernel.h b/src/bin/lttng-sessiond/kernel.h
index 53d480313ad456d63e8cecb869876ac78dc2d117..7af1928eaa7e7342694f48a2e4e2db83dfb97b67 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.h
+++ b/src/bin/lttng-sessiond/kernel.h
@@ -29,7 +29,7 @@ int kernel_create_session(struct ltt_session *session);
 int kernel_create_channel(struct ltt_kernel_session *session,
                struct lttng_channel *chan);
 int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel,
-               char *filter_expression, struct lttng_filter_bytecode *filter);
+               char *filter_expression, struct lttng_bytecode *filter);
 int kernel_disable_channel(struct ltt_kernel_channel *chan);
 int kernel_disable_event(struct ltt_kernel_event *event);
 int kernel_enable_event(struct ltt_kernel_event *event);
@@ -58,8 +58,8 @@ int kernel_start_session(struct ltt_kernel_session *session);
 int kernel_stop_session(struct ltt_kernel_session *session);
 ssize_t kernel_list_events(struct lttng_event **event_list);
 void kernel_wait_quiescent(void);
-int kernel_validate_version(struct lttng_kernel_tracer_version *kernel_tracer_version,
-               struct lttng_kernel_tracer_abi_version *kernel_tracer_abi_version);
+int kernel_validate_version(struct lttng_kernel_abi_tracer_version *kernel_tracer_version,
+               struct lttng_kernel_abi_tracer_abi_version *kernel_tracer_abi_version);
 void kernel_destroy_session(struct ltt_kernel_session *ksess);
 void kernel_free_session(struct ltt_kernel_session *ksess);
 void kernel_destroy_channel(struct ltt_kernel_channel *kchan);
@@ -74,6 +74,7 @@ enum lttng_error_code kernel_clear_session(struct ltt_session *session);
 int init_kernel_workarounds(void);
 int kernel_supports_ring_buffer_snapshot_sample_positions(void);
 int kernel_supports_ring_buffer_packet_sequence_number(void);
+int kernel_supports_event_notifiers(void);
 int init_kernel_tracer(void);
 void cleanup_kernel_tracer(void);
 bool kernel_tracer_is_initialized(void);
@@ -81,4 +82,17 @@ bool kernel_tracer_is_initialized(void);
 enum lttng_error_code kernel_create_channel_subdirectories(
                const struct ltt_kernel_session *ksess);
 
+enum lttng_error_code kernel_create_event_notifier_group_notification_fd(
+               int *event_notifier_group_notification_fd);
+enum lttng_error_code kernel_destroy_event_notifier_group_notification_fd(
+               int event_notifier_group_notification_fd);
+
+enum lttng_error_code kernel_register_event_notifier(
+               struct lttng_trigger *trigger,
+               const struct lttng_credentials *cmd_creds);
+enum lttng_error_code kernel_unregister_event_notifier(
+               const struct lttng_trigger *trigger);
+
+int kernel_get_notification_fd(void);
+
 #endif /* _LTT_KERNEL_CTL_H */