Move and hide new 'lttng_ust_counter_create' private symbol

[lttng-ust.git] / liblttng-ust / ust-events-internal.h

diff --git a/liblttng-ust/ust-events-internal.h b/liblttng-ust/ust-events-internal.h
index eea9c666e72482de82e5c43ab5fdeeb4e57f410d..1d8e914ad2487dc9d56a8c0b1bdd62aa1928e90d 100644 (file)
--- a/liblttng-ust/ust-events-internal.h
+++ b/liblttng-ust/ust-events-internal.h
@@ -46,19 +46,29 @@ struct lttng_event_enabler {
 
 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 {
@@ -124,7 +134,7 @@ int lttng_event_enabler_disable(struct lttng_event_enabler *enabler);
 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.
@@ -141,19 +151,20 @@ int lttng_event_enabler_attach_context(struct lttng_event_enabler *enabler,
  */
 LTTNG_HIDDEN
 int lttng_event_enabler_attach_exclusion(struct lttng_event_enabler *enabler,
-               struct lttng_ust_excluder_node *excluder);
+               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.
@@ -213,7 +224,16 @@ int lttng_event_notifier_enabler_disable(
 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
@@ -222,7 +242,7 @@ int lttng_event_notifier_enabler_attach_filter_bytecode(
 LTTNG_HIDDEN
 int lttng_event_notifier_enabler_attach_exclusion(
                struct lttng_event_notifier_enabler *event_notifier_enabler,
-               struct lttng_ust_excluder_node *excluder);
+               struct lttng_ust_excluder_node **excluder);
 
 LTTNG_HIDDEN
 void lttng_free_event_notifier_filter_runtime(
@@ -235,4 +255,9 @@ void lttng_free_event_notifier_filter_runtime(
 LTTNG_HIDDEN
 int lttng_fix_pending_event_notifiers(void);
 
+LTTNG_HIDDEN
+struct lttng_counter *lttng_ust_counter_create(
+               const char *counter_transport_name,
+               size_t number_dimensions, const struct lttng_counter_dimension *dimensions);
+
 #endif /* _LTTNG_UST_EVENTS_INTERNAL_H */