--- /dev/null
+/*
+ * ref.c: reference counting
+ *
+ * Babeltrace Library
+ *
+ * Copyright (c) 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ref-internal.h>
+#include <babeltrace/object-internal.h>
+
+void *bt_get(void *ptr)
+{
+ struct bt_object *obj = ptr;
+
+ if (!obj) {
+ goto end;
+ }
+
+ if (obj->parent && bt_object_get_ref_count(obj) == 0) {
+ bt_get(obj->parent);
+ }
+ bt_ref_get(&obj->ref_count);
+end:
+ return obj;
+}
+
+void bt_put(void *ptr)
+{
+ struct bt_object *obj = ptr;
+
+ if (!obj) {
+ return;
+ }
+
+ bt_ref_put(&obj->ref_count);
+}