SoW-2019-0007-2: Dynamic Snapshot: Triggers send partial event payload with notifications

[lttng-ust.git] / include / lttng / ust-ctl.h

diff --git a/include/lttng/ust-ctl.h b/include/lttng/ust-ctl.h
index 19fba726b56c049a141b5259b2105d1f76d6fadb..83f1861cf066ce54734328a643aa27b1bda62098 100644 (file)
--- a/include/lttng/ust-ctl.h
+++ b/include/lttng/ust-ctl.h
@@ -93,6 +93,8 @@ int ustctl_add_context(int sock, struct lttng_ust_context_attr *ctx,
                struct lttng_ust_object_data **context_data);
 int ustctl_set_filter(int sock, struct lttng_ust_filter_bytecode *bytecode,
                struct lttng_ust_object_data *obj_data);
+int ustctl_set_capture(int sock, struct lttng_ust_capture_bytecode *bytecode,
+               struct lttng_ust_object_data *obj_data);
 int ustctl_set_exclusion(int sock, struct lttng_ust_event_exclusion *exclusion,
                struct lttng_ust_object_data *obj_data);
 
@@ -101,6 +103,25 @@ int ustctl_disable(int sock, struct lttng_ust_object_data *object);
 int ustctl_start_session(int sock, int handle);
 int ustctl_stop_session(int sock, int handle);
 
+/*
+ * ustctl_create_trigger_group creates a trigger group. It establishes the
+ * connection with the application by providing a file descriptor of the pipe
+ * to be used by the application when a trigger of that group is fired. It
+ * returns a handle to be used when creating trigger in that group.
+ */
+int ustctl_create_trigger_group(int sock, int pipe_fd,
+               struct lttng_ust_object_data **trigger_group);
+
+/*
+ * ustctl_create_trigger creates a trigger in a trigger group giving a trigger
+ * description and a trigger group handle. It returns a trigger handle to be
+ * used when enabling the trigger, attaching filter, attaching exclusion, and
+ * disabling the trigger.
+ */
+int ustctl_create_trigger(int sock, struct lttng_ust_trigger *trigger,
+               struct lttng_ust_object_data *trigger_group,
+               struct lttng_ust_object_data **trigger_data);
+
 /*
  * ustctl_tracepoint_list returns a tracepoint list handle, or negative
  * error value.