uObject* uLoadWeak(uWeakObject* weak)
{
if (!weak)
return NULL;
uObject* object = uCallWithWeakRefLock(&uLoadWeak_inner, weak);
uAutoRelease(object);
return object;
}
uObject* uLoadWeakObject(uWeakObject* weak)
{
if (!weak)
return NULL;
uObject* obj = uCallWithWeakRefLock(&uLoadWeakObject_inner, weak);
uAutoReleaseObject(obj);
return obj;
}
void uStoreWeakObject(uWeakObject** addr, uObject* obj)
{
if (*addr && Xli::AtomicDecrement(&(*addr)->RefCount) == 0)
U_FREE_WEAKREF(*addr);
if (!obj)
{
*addr = NULL;
return;
}
if (!obj->__obj_weak)
uCallWithWeakRefLock(&uAllocWeakObject, obj);
Xli::AtomicIncrement(&obj->__obj_weak->RefCount);
*addr = obj->__obj_weak;
}
void uStoreWeak(uWeakObject** address, uObject* object)
{
if (*address && Xli::AtomicDecrement(&(*address)->RefCount) == 0)
U_FREE_WEAKREF(*address);
if (!object)
{
*address = NULL;
return;
}
if (!object->__weakptr)
uCallWithWeakRefLock(&uNewWeak, object);
Xli::AtomicIncrement(&object->__weakptr->RefCount);
*address = object->__weakptr;
}
static bool uTryClearWeakObject(uObject *obj)
{
if (!obj->__obj_weak)
return true;
if (!uCallWithWeakRefLock(&uTryClearWeakObject_inner, obj))
return false;
if (obj->__obj_weak)
{
if (Xli::AtomicDecrement(&obj->__obj_weak->RefCount) == 0)
U_FREE_WEAKREF(obj->__obj_weak);
obj->__obj_weak = NULL;
}
return true;
}
static bool uTryClearWeak(uObject* object)
{
if (!object->__weakptr)
return true;
if (!uCallWithWeakRefLock(&uTryClearWeak_inner, object))
return false;
if (object->__weakptr)
{
//#if #(GC:Defined)
// GC_unregister_disappearing_link((void**)&object->__weakptr->Object);
//#endif
if (Xli::AtomicDecrement(&object->__weakptr->RefCount) == 0)
U_FREE_WEAKREF(object->__weakptr);
object->__weakptr = NULL;
}
return true;
}