Am 26.03.2012 15:46, schrieb Andreas Färber:
> The Object::realized property can only be set once and, on setting it,
> invokes the ObjectClass::realize callback.
>
> Signed-off-by: Andreas Färber <afaer...@suse.de>
> Cc: Anthony Liguori <anth...@codemonkey.ws>
> Cc: Paolo Bonzini <pbonz...@redhat.com>
> ---
> include/qemu/object.h | 2 ++
> qom/object.c | 31 +++++++++++++++++++++++++++++++
> 2 files changed, 33 insertions(+), 0 deletions(-)
[snip]
> diff --git a/qom/object.c b/qom/object.c
> index 9cd9506..ec143ad 100644
> --- a/qom/object.c
> +++ b/qom/object.c
> @@ -273,6 +273,34 @@ static void object_init_with_type(Object *obj, TypeImpl
> *ti)
> }
> }
>
> +static void object_get_realized(Object *obj, Visitor *v, void *opaque,
> + const char *name, Error **errp)
> +{
> + visit_type_bool(v, &obj->realized, name, errp);
> +}
> +
> +static void object_set_realized(Object *obj, Visitor *v, void *opaque,
> + const char *name, Error **errp)
> +{
> + bool value;
> +
> + if (obj->realized) {
> + error_set(errp, QERR_PERMISSION_DENIED);
> + return;
> + }
> +
> + visit_type_bool(v, &value, name, errp);
> + if (error_is_set(errp) || !value) {
> + return;
> + }
> +
> + if (obj->class->realize != NULL && obj->class->realize(obj) != 0) {
> + error_set(errp, QERR_DEVICE_INIT_FAILED, object_get_typename(obj));
Will introduce a QERR_OBJECT_REALIZE_FAILED for v2 based on feedback.
/-F
> + return;
> + }
> + obj->realized = true;
> +}
> +
> void object_initialize_with_type(void *data, TypeImpl *type)
> {
> Object *obj = data;
[snip]
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