condition: introduce reference counting

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

diff --git a/include/lttng/condition/condition-internal.h b/include/lttng/condition/condition-internal.h
index 98a8309421684aa6d607ceb51834d0ed09743875..405199b428fcae3004e3b5fdb97caaaf9e993b86 100644 (file)
--- a/include/lttng/condition/condition-internal.h
+++ b/include/lttng/condition/condition-internal.h
@@ -14,6 +14,7 @@
 #include <common/payload.h>
 #include <stdbool.h>
 #include <urcu/list.h>
+#include <urcu/ref.h>
 #include <stdint.h>
 #include <sys/types.h>
 
@@ -29,6 +30,8 @@ typedef ssize_t (*condition_create_from_payload_cb)(
                struct lttng_condition **condition);
 
 struct lttng_condition {
+       /* Reference counting is only exposed to internal users. */
+       struct urcu_ref ref;
        enum lttng_condition_type type;
        condition_validate_cb validate;
        condition_serialize_cb serialize;
@@ -42,6 +45,12 @@ struct lttng_condition_comm {
        char payload[];
 };
 
+LTTNG_HIDDEN
+void lttng_condition_get(struct lttng_condition *condition);
+
+LTTNG_HIDDEN
+void lttng_condition_put(struct lttng_condition *condition);
+
 LTTNG_HIDDEN
 void lttng_condition_init(struct lttng_condition *condition,
                enum lttng_condition_type type);