Re: [Qemu-devel] [PATCH 01/25] qom: add object_class_get_parent

[Anthony Liguori <anthony@codemonkey.ws>]

On 04/03/2012 06:15 AM, Paolo Bonzini wrote:
> This simple bit of functionality was missing and we'll need it soon,
> so add it.
>
> Signed-off-by: Paolo Bonzini<pbonzini@redhat.com>

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>

Regards,

Anthony Liguori

> ---
>   include/qemu/object.h |   14 ++++++++++++++
>   qom/object.c          |   13 +++++++++++++
>   2 files changed, 27 insertions(+)
>
> diff --git a/include/qemu/object.h b/include/qemu/object.h
> index a675937..f814521 100644
> --- a/include/qemu/object.h
> +++ b/include/qemu/object.h
> @@ -548,6 +548,14 @@ ObjectClass *object_class_dynamic_cast(ObjectClass *klass,
>                                          const char *typename);
>
>   /**
> + * object_class_get_parent:
> + * @klass: The class to obtain the parent for.
> + *
> + * Returns: The parent for @klass.
> + */
> +ObjectClass *object_class_get_parent(ObjectClass *klass);
> +
> +/**
>    * object_class_get_name:
>    * @klass: The class to obtain the QOM typename for.
>    *
> @@ -555,6 +563,12 @@ ObjectClass *object_class_dynamic_cast(ObjectClass *klass,
>    */
>   const char *object_class_get_name(ObjectClass *klass);
>
> +/**
> + * object_class_by_name:
> + * @typename: The QOM typename to obtain the class for.
> + *
> + * Returns: The class for @typename.
> + */
>   ObjectClass *object_class_by_name(const char *typename);
>
>   void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque),
> diff --git a/qom/object.c b/qom/object.c
> index e721fc2..3e9fed7 100644
> --- a/qom/object.c
> +++ b/qom/object.c
> @@ -545,6 +545,19 @@ ObjectClass *object_class_by_name(const char *typename)
>       return type->class;
>   }
>
> +ObjectClass *object_class_get_parent(ObjectClass *class)
> +{
> +    TypeImpl *type = type_get_parent(class->type);
> +
> +    if (!type) {
> +        return NULL;
> +    }
> +
> +    type_initialize(type);
> +
> +    return type->class;
> +}
> +
>   typedef struct OCFData
>   {
>       void (*fn)(ObjectClass *klass, void *opaque);