trigger: implement is_equal

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

diff --git a/include/lttng/trigger/trigger-internal.h b/include/lttng/trigger/trigger-internal.h
index d857ff78e20ee54bdc9d98cc10854f371391ef06..6d05b6d1d3ed38b2f789e30f731d6ec6d6a18276 100644 (file)
--- a/include/lttng/trigger/trigger-internal.h
+++ b/include/lttng/trigger/trigger-internal.h
@@ -15,19 +15,29 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <sys/types.h>
+#include <urcu/ref.h>
 
 struct lttng_payload;
 struct lttng_payload_view;
 
 struct lttng_trigger {
+       /* Reference counting is only exposed to internal users. */
+       struct urcu_ref ref;
+
        struct lttng_condition *condition;
        struct lttng_action *action;
-       LTTNG_OPTIONAL(struct lttng_credentials) creds;
+       /* For now only the uid portion of the credentials is used. */
+       struct lttng_credentials creds;
 };
 
 struct lttng_trigger_comm {
        /* length excludes its own length. */
        uint32_t length;
+       /*
+        * Credentials, only the uid portion is used for now.
+        * Used as an override when desired by the root user.
+        */
+       uint64_t uid;
        /* A condition and action object follow. */
        char payload[];
 } LTTNG_PACKED;
@@ -51,13 +61,22 @@ const struct lttng_action *lttng_trigger_get_const_action(
 LTTNG_HIDDEN
 bool lttng_trigger_validate(struct lttng_trigger *trigger);
 
+LTTNG_HIDDEN
+bool lttng_trigger_is_equal(
+               const struct lttng_trigger *a, const struct lttng_trigger *b);
+
+LTTNG_HIDDEN
+void lttng_trigger_get(struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+void lttng_trigger_put(struct lttng_trigger *trigger);
+
 LTTNG_HIDDEN
 const struct lttng_credentials *lttng_trigger_get_credentials(
                const struct lttng_trigger *trigger);
 
 LTTNG_HIDDEN
-void lttng_trigger_set_credentials(
-               struct lttng_trigger *trigger,
+void lttng_trigger_set_credentials(struct lttng_trigger *trigger,
                const struct lttng_credentials *creds);
 
 #endif /* LTTNG_TRIGGER_INTERNAL_H */