X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=lib%2Fref.c;h=02d2c4e9bf914fe3467600d81ea4d5abd13058d9;hb=149bc52e92f860f992d02ca19371ca8d8321f3df;hp=ac0580137a5ad959d25fbfa29b3a3dc0a7ffae19;hpb=b703b34e4cc4af21278e5eec8f01e5c40687a10b;p=babeltrace.git

diff --git a/lib/ref.c b/lib/ref.c
index ac058013..02d2c4e9 100644
--- a/lib/ref.c
+++ b/lib/ref.c
@@ -24,6 +24,9 @@
  * SOFTWARE.
  */
 
+#define BT_LOG_TAG "REF"
+#include <babeltrace/lib-logging-internal.h>
+
 #include <babeltrace/ref-internal.h>
 #include <babeltrace/object-internal.h>
 
@@ -31,14 +34,26 @@ void *bt_get(void *ptr)
 {
 	struct bt_object *obj = ptr;
 
-	if (!obj) {
+	if (unlikely(!obj)) {
 		goto end;
 	}
 
-	if (obj->parent && bt_object_get_ref_count(obj) == 0) {
+	if (unlikely(!obj->ref_count.release)) {
+		goto end;
+	}
+
+	if (unlikely(obj->parent && bt_object_get_ref_count(obj) == 0)) {
+		BT_LOGV("Incrementing object's parent's reference count: "
+			"addr=%p, parent-addr=%p", ptr, obj->parent);
 		bt_get(obj->parent);
 	}
+	BT_LOGV("Incrementing object's reference count: %lu -> %lu: "
+		"addr=%p, cur-count=%lu, new-count=%lu",
+		obj->ref_count.count, obj->ref_count.count + 1,
+		ptr,
+		obj->ref_count.count, obj->ref_count.count + 1);
 	bt_ref_get(&obj->ref_count);
+
 end:
 	return obj;
 }
@@ -47,9 +62,23 @@ void bt_put(void *ptr)
 {
 	struct bt_object *obj = ptr;
 
-	if (!obj) {
+	if (unlikely(!obj)) {
 		return;
 	}
 
+	if (unlikely(!obj->ref_count.release)) {
+		return;
+	}
+
+	if (BT_LOG_ON_WARN && unlikely(bt_object_get_ref_count(obj) == 0)) {
+		BT_LOGW("Decrementing a reference count set to 0: addr=%p",
+			ptr);
+	}
+
+	BT_LOGV("Decrementing object's reference count: %lu -> %lu: "
+		"addr=%p, cur-count=%lu, new-count=%lu",
+		obj->ref_count.count, obj->ref_count.count - 1,
+		ptr,
+		obj->ref_count.count, obj->ref_count.count - 1);
 	bt_ref_put(&obj->ref_count);
 }