struct lttng_event_notifier_enabler {
struct lttng_enabler base;
- struct cds_list_head node; /* per-app list of event notifier enablers */
+ uint64_t error_counter_index;
+ struct cds_list_head node; /* per-app list of event_notifier enablers */
+ struct cds_list_head capture_bytecode_head;
struct lttng_event_notifier_group *group; /* weak ref */
uint64_t user_token; /* User-provided token */
+ uint64_t num_captures;
};
-struct lttng_ust_filter_bytecode_node {
+enum lttng_ust_bytecode_node_type {
+ LTTNG_UST_BYTECODE_NODE_TYPE_FILTER,
+ LTTNG_UST_BYTECODE_NODE_TYPE_CAPTURE,
+};
+
+struct lttng_ust_bytecode_node {
+ enum lttng_ust_bytecode_node_type type;
struct cds_list_head node;
struct lttng_enabler *enabler;
- /*
- * struct lttng_ust_filter_bytecode has var. sized array, must
- * be last field.
- */
- struct lttng_ust_filter_bytecode bc;
+ struct {
+ uint32_t len;
+ uint32_t reloc_offset;
+ uint64_t seqnum;
+ char data[];
+ } bc;
};
struct lttng_ust_excluder_node {
LTTNG_HIDDEN
int lttng_event_enabler_attach_filter_bytecode(
struct lttng_event_enabler *enabler,
- struct lttng_ust_filter_bytecode_node *bytecode);
+ struct lttng_ust_bytecode_node *bytecode);
/*
* Attach an application context to an event enabler.
struct lttng_ust_excluder_node *excluder);
/*
- * Synchronize bytecodes for the enabler and the event.
+ * Synchronize bytecodes for the enabler and the instance (event or
+ * event_notifier).
*
- * This function goes over all bytecode programs of the event enabler to ensure
- * each is linked to the provided event.
+ * This function goes over all bytecode programs of the enabler (event or
+ * event_notifier enabler) to ensure each is linked to the provided instance.
*/
LTTNG_HIDDEN
void lttng_enabler_link_bytecode(const struct lttng_event_desc *event_desc,
struct lttng_ctx **ctx,
- struct cds_list_head *bytecode_runtime_head,
- struct lttng_enabler *enabler);
+ struct cds_list_head *instance_bytecode_runtime_head,
+ struct cds_list_head *enabler_bytecode_runtime_head);
/*
* Allocate and initialize a `struct lttng_event_notifier_group` object.
LTTNG_HIDDEN
int lttng_event_notifier_enabler_attach_filter_bytecode(
struct lttng_event_notifier_enabler *event_notifier_enabler,
- struct lttng_ust_filter_bytecode_node *bytecode);
+ struct lttng_ust_bytecode_node *bytecode);
+
+/*
+ * Attach capture bytecode program to `struct lttng_event_notifier_enabler` and
+ * all event_notifiers related to this enabler.
+ */
+LTTNG_HIDDEN
+int lttng_event_notifier_enabler_attach_capture_bytecode(
+ struct lttng_event_notifier_enabler *event_notifier_enabler,
+ struct lttng_ust_bytecode_node *bytecode);
/*
* Attach exclusion list to `struct lttng_event_notifier_enabler` and all