Fix: sessiond: leak of trigger on registration error

[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 4f3bedea5c392d09f94e9fbdd43ab60583e4c9e1..db05cfb4473a0ed7fa7cc4aa6dfd206dc649d776 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.h
+++ b/src/bin/lttng-sessiond/kernel.h
@@ -8,6 +8,8 @@
 #ifndef _LTT_KERNEL_CTL_H
 #define _LTT_KERNEL_CTL_H
 
+#include "lttng/lttng-error.h"
+#include "lttng/tracker.h"
 #include "session.h"
 #include "snapshot.h"
 #include "trace-kernel.h"
@@ -20,7 +22,6 @@
  * dynamic reallocation is performed.
  */
 #define KERNEL_EVENT_INIT_LIST_SIZE 64
-#define KERNEL_TRACKER_IDS_INIT_LIST_SIZE 64
 
 int kernel_add_channel_context(struct ltt_kernel_channel *chan,
                struct ltt_kernel_context *ctx);
@@ -33,12 +34,21 @@ 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);
 int kernel_enable_channel(struct ltt_kernel_channel *chan);
-int kernel_track_id(enum lttng_tracker_type tracker_type,
+enum lttng_error_code kernel_process_attr_tracker_set_tracking_policy(
                struct ltt_kernel_session *session,
-               const struct lttng_tracker_id *id);
-int kernel_untrack_id(enum lttng_tracker_type tracker_type,
+               enum lttng_process_attr process_attr,
+               enum lttng_tracking_policy policy);
+enum lttng_error_code kernel_process_attr_tracker_inclusion_set_add_value(
                struct ltt_kernel_session *session,
-               const struct lttng_tracker_id *id);
+               enum lttng_process_attr process_attr,
+               const struct process_attr_value *value);
+enum lttng_error_code kernel_process_attr_tracker_inclusion_set_remove_value(
+               struct ltt_kernel_session *session,
+               enum lttng_process_attr process_attr,
+               const struct process_attr_value *value);
+const struct process_attr_tracker *kernel_get_process_attr_tracker(
+               struct ltt_kernel_session *session,
+               enum lttng_process_attr process_attr);
 int kernel_open_metadata(struct ltt_kernel_session *session);
 int kernel_open_metadata_stream(struct ltt_kernel_session *session);
 int kernel_open_channel_stream(struct ltt_kernel_channel *channel);
@@ -62,11 +72,9 @@ enum lttng_error_code kernel_rotate_session(struct ltt_session *session);
 enum lttng_error_code kernel_clear_session(struct ltt_session *session);
 
 int init_kernel_workarounds(void);
-int kernel_list_tracker_ids(enum lttng_tracker_type tracker_type,
-               struct ltt_kernel_session *session,
-               struct lttng_tracker_ids **ids);
 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);
@@ -74,4 +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 */