struct lttng_ctx *ctx;
};
+struct lttng_event_notifier_enabler {
+ struct lttng_enabler base;
+ struct cds_list_head node; /* per-app list of event notifier enablers */
+ struct lttng_event_notifier_group *group; /* weak ref */
+ uint64_t user_token; /* User-provided token */
+};
+
+enum lttng_ust_bytecode_node_type {
+ LTTNG_UST_BYTECODE_NODE_TYPE_FILTER,
+};
+
+struct lttng_ust_bytecode_node {
+ enum lttng_ust_bytecode_node_type type;
+ struct cds_list_head node;
+ struct lttng_enabler *enabler;
+ struct {
+ uint32_t len;
+ uint32_t reloc_offset;
+ uint64_t seqnum;
+ char data[];
+ } bc;
+};
+
+struct lttng_ust_excluder_node {
+ struct cds_list_head node;
+ struct lttng_enabler *enabler;
+ /*
+ * struct lttng_ust_event_exclusion had variable sized array,
+ * must be last field.
+ */
+ struct lttng_ust_event_exclusion excluder;
+};
+
static inline
struct lttng_enabler *lttng_event_enabler_as_enabler(
struct lttng_event_enabler *event_enabler)
return &event_enabler->base;
}
+static inline
+struct lttng_enabler *lttng_event_notifier_enabler_as_enabler(
+ struct lttng_event_notifier_enabler *event_notifier_enabler)
+{
+ return &event_notifier_enabler->base;
+}
/*
* Allocate and initialize a `struct lttng_event_enabler` object.
* events related to this enabler.
*/
LTTNG_HIDDEN
-int lttng_event_enabler_attach_bytecode(struct lttng_event_enabler *enabler,
- struct lttng_ust_filter_bytecode_node *bytecode);
+int lttng_event_enabler_attach_filter_bytecode(
+ struct lttng_event_enabler *enabler,
+ struct lttng_ust_bytecode_node *bytecode);
/*
* Attach an application context to an event enabler.
* each is linked to the provided event.
*/
LTTNG_HIDDEN
-void lttng_event_enabler_link_bytecode(struct lttng_event *event,
- struct lttng_event_enabler *enabler);
+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);
+
+/*
+ * Allocate and initialize a `struct lttng_event_notifier_group` object.
+ *
+ * On success, returns a `struct lttng_triggre_group`,
+ * on memory error, returns NULL.
+ */
+LTTNG_HIDDEN
+struct lttng_event_notifier_group *lttng_event_notifier_group_create(void);
+
+/*
+ * Destroy a `struct lttng_event_notifier_group` object.
+ */
+LTTNG_HIDDEN
+void lttng_event_notifier_group_destroy(
+ struct lttng_event_notifier_group *event_notifier_group);
+
+/*
+ * Allocate and initialize a `struct lttng_event_notifier_enabler` object.
+ *
+ * On success, returns a `struct lttng_event_notifier_enabler`,
+ * On memory error, returns NULL.
+ */
+LTTNG_HIDDEN
+struct lttng_event_notifier_enabler *lttng_event_notifier_enabler_create(
+ struct lttng_event_notifier_group *event_notifier_group,
+ enum lttng_enabler_format_type format_type,
+ struct lttng_ust_event_notifier *event_notifier_param);
+
+/*
+ * Destroy a `struct lttng_event_notifier_enabler` object.
+ */
+LTTNG_HIDDEN
+void lttng_event_notifier_enabler_destroy(
+ struct lttng_event_notifier_enabler *event_notifier_enabler);
+
+/*
+ * Enable a `struct lttng_event_notifier_enabler` object and all event
+ * notifiers related to this enabler.
+ */
+LTTNG_HIDDEN
+int lttng_event_notifier_enabler_enable(
+ struct lttng_event_notifier_enabler *event_notifier_enabler);
+
+/*
+ * Disable a `struct lttng_event_notifier_enabler` object and all event
+ * notifiers related to this enabler.
+ */
+LTTNG_HIDDEN
+int lttng_event_notifier_enabler_disable(
+ struct lttng_event_notifier_enabler *event_notifier_enabler);
+
+/*
+ * Attach filter bytecode program to `struct lttng_event_notifier_enabler` and
+ * all event notifiers related to this enabler.
+ */
+LTTNG_HIDDEN
+int lttng_event_notifier_enabler_attach_filter_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
+ * event notifiers related to this enabler.
+ */
+LTTNG_HIDDEN
+int lttng_event_notifier_enabler_attach_exclusion(
+ struct lttng_event_notifier_enabler *event_notifier_enabler,
+ struct lttng_ust_excluder_node *excluder);
+
+LTTNG_HIDDEN
+void lttng_free_event_notifier_filter_runtime(
+ struct lttng_event_notifier *event_notifier);
+
+/*
+ * Connect the probe on all enablers matching this event description.
+ * Called on library load.
+ */
+LTTNG_HIDDEN
+int lttng_fix_pending_event_notifiers(void);
#endif /* _LTTNG_UST_EVENTS_INTERNAL_H */