lttng-ctl: add capture descriptor feature to event rule condition API

[lttng-tools.git] / include / lttng / trigger / trigger.h

diff --git a/include/lttng/trigger/trigger.h b/include/lttng/trigger/trigger.h
index 5fef53fd415f15e69b859f48e9e1ce947f291fb9..de4e93d70705bbb9787eb4e2a2e3faa54d152f18 100644 (file)
--- a/include/lttng/trigger/trigger.h
+++ b/include/lttng/trigger/trigger.h
@@ -52,6 +52,9 @@ enum lttng_trigger_firing_policy {
  * The caller retains the ownership of both the condition and action
  * and both must be kept alive for the lifetime of the trigger object.
  *
+ * If the action is a notification action with capture descriptors,
+ * the condition must be an event rule condition.
+ *
  * A trigger must be registered in order to become activate and can
  * be destroyed after its registration.
  *