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qom: provide root container for internal objs

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We have object_get_objects_root() to keep user created objects, however
no place for objects that will be used internally.  Create such a
container for internal objects.

CC: Andreas Färber <afaerber@suse.de>
CC: Markus Armbruster <armbru@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
Suggested-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20170928025958.1420-2-peterx@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Peter Xu 2017-09-28 10:59:54 +08:00 committed by Stefan Hajnoczi
parent d147f7e815
commit 7c47c4ead7
2 changed files with 22 additions and 0 deletions
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11
include/qom/object.h
View file

@ -1213,6 +1213,17 @@ Object *object_get_root(void);
*/
Object *object_get_objects_root(void);
/**
* object_get_internal_root:
*
* Get the container object that holds internally used object
* instances. Any object which is put into this container must not be
* user visible, and it will not be exposed in the QOM tree.
*
* Returns: the internal object container
*/
Object *object_get_internal_root(void);
/**
* object_get_canonical_path_component:
*

11
qom/object.c
View file

@ -1370,6 +1370,17 @@ Object *object_get_objects_root(void)
return container_get(object_get_root(), "/objects");
}
Object *object_get_internal_root(void)
{
static Object *internal_root;
if (!internal_root) {
internal_root = object_new("container");
}
return internal_root;
}
static void object_get_child_property(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)