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qom: Document ways to retrieve child object added by object_property_add_child()

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object_property_add_child() creates a property whose values as a string is
the child object's canonical path.

Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Barabash <alexander_barabash@mentor.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Alexander Barabash 2012-02-21 12:14:22 +02:00 committed by Anthony Liguori
parent 1b89fafe47
commit 358b54654a
1 changed files with 4 additions and 0 deletions
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include/qemu/object.h
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@ -837,6 +837,10 @@ Object *object_resolve_path_type(const char *path, const char *typename,
*
* There is no way for a child to determine what its parent is. It is not
* a bidirectional relationship. This is by design.
*
* The value of a child property as a C string will be the child object's
* canonical path. It can be retrieved using object_property_get_str().
* The child object itself can be retrieved using object_property_get_link().
*/
void object_property_add_child(Object *obj, const char *name,
Object *child, struct Error **errp);