C++ (Cpp) ttm_release_base示例

示例#1

void ttm_base_object_unref(struct ttm_base_object **p_base)
{
	struct ttm_base_object *base = *p_base;

	*p_base = NULL;

	if (refcount_release(&base->refcount))
		ttm_release_base(base);
}

示例#2

文件： ttm_object.c 项目： 2asoft/freebsd

void ttm_base_object_unref(struct ttm_base_object **p_base)
{
	struct ttm_base_object *base = *p_base;
	struct ttm_object_device *tdev = base->tfile->tdev;

	*p_base = NULL;

	/*
	 * Need to take the lock here to avoid racing with
	 * users trying to look up the object.
	 */

	rw_wlock(&tdev->object_lock);
	if (refcount_release(&base->refcount))
		ttm_release_base(base);
	rw_wunlock(&tdev->object_lock);
}