From: Liu Ping Fan <pingf...@linux.vnet.ibm.com> Signed-off-by: Liu Ping Fan <pingf...@linux.vnet.ibm.com> --- qom/object.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/qom/object.c b/qom/object.c index e3e9242..1a697b3 100644 --- a/qom/object.c +++ b/qom/object.c @@ -600,16 +600,15 @@ GSList *object_class_get_list(const char *implements_type, void object_ref(Object *obj) { - obj->ref++; + __sync_fetch_and_add(&obj->ref, 1); } void object_unref(Object *obj) { g_assert(obj->ref > 0); - obj->ref--; /* parent always holds a reference to its children */ - if (obj->ref == 0) { + if (__sync_fetch_and_sub(&obj->ref, 1) == 1) { object_finalize(obj); } } -- 1.7.4.4