actions: Make lttng_action reference countable

[lttng-tools.git] / src / common / actions / action.c

diff --git a/src/common/actions/action.c b/src/common/actions/action.c
index 7325a532c8ae15078ee9cc82907a8906dadfd1ed..1a541ce469efc22381f198261a484b9df7ee4f26 100644 (file)
--- a/src/common/actions/action.c
+++ b/src/common/actions/action.c
@@ -55,6 +55,7 @@ void lttng_action_init(
                action_equal_cb equal,
                action_destroy_cb destroy)
 {
+       urcu_ref_init(&action->ref);
        action->type = type;
        action->validate = validate;
        action->serialize = serialize;
@@ -62,14 +63,35 @@ void lttng_action_init(
        action->destroy = destroy;
 }
 
-void lttng_action_destroy(struct lttng_action *action)
+static
+void action_destroy_ref(struct urcu_ref *ref)
+{
+       struct lttng_action *action =
+                       container_of(ref, struct lttng_action, ref);
+
+       action->destroy(action);
+}
+
+LTTNG_HIDDEN
+void lttng_action_get(struct lttng_action *action)
+{
+       urcu_ref_get(&action->ref);
+}
+
+LTTNG_HIDDEN
+void lttng_action_put(struct lttng_action *action)
 {
        if (!action) {
                return;
        }
 
        assert(action->destroy);
-       action->destroy(action);
+       urcu_ref_put(&action->ref, action_destroy_ref);
+}
+
+void lttng_action_destroy(struct lttng_action *action)
+{
+       lttng_action_put(action);
 }
 
 LTTNG_HIDDEN