*
*/
-#ifndef LTTNG_CONDITION_EVENT_RULE_H
-#define LTTNG_CONDITION_EVENT_RULE_H
+#ifndef LTTNG_CONDITION_ON_EVENT_H
+#define LTTNG_CONDITION_ON_EVENT_H
#include <lttng/event-rule/event-rule.h>
#include <lttng/condition/condition.h>
struct lttng_event_field_value;
/**
- * Event rule conditions allows an action to be taken whenever an event matching
- * the event rule is hit by the tracers.
+ * On event conditions allows an action to be taken whenever an event matching
+ * the on event is hit by the tracers.
*
- * An event rule condition can also specify a payload to be captured at runtime.
+ * An on event condition can also specify a payload to be captured at runtime.
* This is done via the capture descriptor.
*
* Note: the dynamic runtime capture of payload is only available for the
*/
/*
- * Create a newly allocated event rule condition.
+ * Create a newly allocated on event condition.
*
* Returns a new condition on success, NULL on failure. This condition must be
* destroyed using lttng_condition_destroy().
*/
-extern struct lttng_condition *lttng_condition_event_rule_create(
+extern struct lttng_condition *lttng_condition_on_event_create(
struct lttng_event_rule *rule);
/*
- * Get the rule property of a event rule condition.
+ * Get the rule property of a on event condition.
*
* The caller does not assume the ownership of the returned rule. The
* rule shall only be used for the duration of the condition's
* Returns LTTNG_CONDITION_STATUS_OK and a pointer to the condition's rule
* on success, LTTNG_CONDITION_STATUS_INVALID if an invalid
* parameter is passed. */
-extern enum lttng_condition_status lttng_condition_event_rule_get_rule(
- const struct lttng_condition *condition,
+extern enum lttng_condition_status lttng_condition_on_event_get_rule(
+ const struct lttng_condition *condition,
const struct lttng_event_rule **rule);
/**
- * lttng_evaluation_event_rule_hit are specialised lttng_evaluations which
+ * lttng_evaluation_on_event_hit are specialised lttng_evaluations which
* allow users to query a number of properties resulting from the evaluation
* of a condition which evaluated to true.
*
- * The evaluation of a event rule hit yields two different results:
+ * The evaluation of a on event hit yields two different results:
* TEMPORARY - The name of the triggers associated with the condition.
* TODO - The captured event payload if any
*/
/*
- * Get the trigger name property of a event rule hit evaluation.
+ * Get the trigger name property of a on event hit evaluation.
*
* Returns LTTNG_EVALUATION_STATUS_OK on success and a trigger name
* or LTTNG_EVALUATION_STATUS_INVALID if
* an invalid parameter is passed.
*/
extern enum lttng_evaluation_status
-lttng_evaluation_event_rule_get_trigger_name(
+lttng_evaluation_on_event_get_trigger_name(
const struct lttng_evaluation *evaluation,
const char **name);
/*
- * Sets `*field_val` to the array event field value of the event rule
+ * Sets `*field_val` to the array event field value of the on event
* condition evaluation `evaluation` which contains its captured values.
*
* Returns:
* `LTTNG_EVALUATION_STATUS_INVALID`:
* * `evaluation` is `NULL`.
* * The type of the condition of `evaluation` is not
- * `LTTNG_CONDITION_TYPE_EVENT_RULE_HIT`.
+ * `LTTNG_CONDITION_TYPE_ON_EVENT`.
* * The condition of `evaluation` has no capture descriptors.
* * `field_val` is `NULL`.
*/
extern enum lttng_evaluation_status
-lttng_evaluation_event_rule_get_captured_values(
+lttng_evaluation_on_event_get_captured_values(
const struct lttng_evaluation *evaluation,
const struct lttng_event_field_value **field_val);
/*
* Appends (transfering the ownership) the capture descriptor `expr` to
- * the event rule condition `condition`.
+ * the on event condition `condition`.
*
* Returns:
*
* `LTTNG_CONDITION_STATUS_INVALID`:
* * `condition` is `NULL`.
* * The type of `condition` is not
- * `LTTNG_CONDITION_TYPE_EVENT_RULE_HIT`.
+ * `LTTNG_CONDITION_TYPE_ON_EVENT`.
* * `expr` is `NULL`.
* * `expr` is not a locator expression, that is, its type is not
* one of:
* * `LTTNG_EVENT_EXPR_TYPE_CHANNEL_CONTEXT_FIELD`
* * `LTTNG_EVENT_EXPR_TYPE_APP_SPECIFIC_CONTEXT_FIELD`
* * `LTTNG_EVENT_EXPR_TYPE_ARRAY_FIELD_ELEMENT`
+ *
+ * `LTTNG_CONDITION_STATUS_UNSUPPORTED`:
+ * * The associated event-rule does not support runtime capture.
*/
extern enum lttng_condition_status
-lttng_condition_event_rule_append_capture_descriptor(
+lttng_condition_on_event_append_capture_descriptor(
struct lttng_condition *condition,
struct lttng_event_expr *expr);
/*
- * Sets `*count` to the number of capture descriptors in the event rule
+ * Sets `*count` to the number of capture descriptors in the on event
* condition `condition`.
*
* Returns:
* `LTTNG_CONDITION_STATUS_INVALID`:
* * `condition` is `NULL`.
* * The type of `condition` is not
- * `LTTNG_CONDITION_TYPE_EVENT_RULE_HIT`.
+ * `LTTNG_CONDITION_TYPE_ON_EVENT`.
* * `count` is `NULL`.
*/
extern enum lttng_condition_status
-lttng_condition_event_rule_get_capture_descriptor_count(
+lttng_condition_on_event_get_capture_descriptor_count(
const struct lttng_condition *condition, unsigned int *count);
/*
- * Returns the capture descriptor (borrowed) of the event rule condition
+ * Returns the capture descriptor (borrowed) of the on event condition
* `condition` at the index `index`, or `NULL` if:
*
* * `condition` is `NULL`.
* * The type of `condition` is not
- * `LTTNG_CONDITION_TYPE_EVENT_RULE_HIT`.
+ * `LTTNG_CONDITION_TYPE_ON_EVENT`.
* * `index` is greater than or equal to the number of capture
* descriptors in `condition` (as returned by
- * lttng_condition_event_rule_get_capture_descriptor_count()).
+ * lttng_condition_on_event_get_capture_descriptor_count()).
*/
extern const struct lttng_event_expr *
-lttng_condition_event_rule_get_capture_descriptor_at_index(
+lttng_condition_on_event_get_capture_descriptor_at_index(
const struct lttng_condition *condition, unsigned int index);
#ifdef __cplusplus
}
#endif
-#endif /* LTTNG_CONDITION_EVENT_RULE_H */
+#endif /* LTTNG_CONDITION_ON_EVENT_H */