+enum lttng_kernel_bytecode_interpreter_ret {
+ LTTNG_KERNEL_BYTECODE_INTERPRETER_ERROR = -1,
+ LTTNG_KERNEL_BYTECODE_INTERPRETER_OK = 0,
+};
+
+enum lttng_kernel_bytecode_filter_result {
+ LTTNG_KERNEL_BYTECODE_FILTER_ACCEPT = 0,
+ LTTNG_KERNEL_BYTECODE_FILTER_REJECT = 1,
+};
+
+struct lttng_kernel_bytecode_filter_ctx {
+ enum lttng_kernel_bytecode_filter_result result;
+};
+
+/*
+ * Enabler field, within whatever object is enabling an event. Target of
+ * backward reference.
+ */
+struct lttng_enabler {
+ enum lttng_enabler_format_type format_type;
+
+ /* head list of struct lttng_bytecode_node */
+ struct list_head filter_bytecode_head;
+
+ struct lttng_kernel_abi_event event_param;
+ unsigned int enabled:1;
+
+ uint64_t user_token; /* User-provided token. */
+};
+
+struct lttng_event_enabler {
+ struct lttng_enabler base;
+ struct list_head node; /* per-session list of enablers */
+ struct lttng_channel *chan;
+};
+
+struct lttng_event_notifier_enabler {
+ struct lttng_enabler base;
+ uint64_t error_counter_index;
+ struct list_head node; /* List of event_notifier enablers */
+ struct lttng_event_notifier_group *group;
+
+ /* head list of struct lttng_bytecode_node */
+ struct list_head capture_bytecode_head;
+ uint64_t num_captures;
+};
+