diff options
| -rw-r--r-- | include/qemu/object.h | 14 | ||||
| -rw-r--r-- | qom/object.c | 17 |
2 files changed, 31 insertions, 0 deletions
diff --git a/include/qemu/object.h b/include/qemu/object.h index 487559c5c0..ce9e51f2ae 100644 --- a/include/qemu/object.h +++ b/include/qemu/object.h @@ -918,6 +918,20 @@ void object_property_add_str(Object *obj, const char *name, struct Error **errp); /** + * object_child_foreach: + * @obj: the object whose children will be navigated + * @fn: the iterator function to be called + * @opaque: an opaque value that will be passed to the iterator + * + * Call @fn passing each child of @obj and @opaque to it, until @fn returns + * non-zero. + * + * Returns: The last value returned by @fn, or 0 if there is no child. + */ +int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), + void *opaque); + +/** * container_get: * @root: root of the #path, e.g., object_get_root() * @path: path to the container diff --git a/qom/object.c b/qom/object.c index 105c649e8d..7a70d52e3a 100644 --- a/qom/object.c +++ b/qom/object.c @@ -607,6 +607,23 @@ void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); } +int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), + void *opaque) +{ + ObjectProperty *prop; + int ret = 0; + + QTAILQ_FOREACH(prop, &obj->properties, node) { + if (object_property_is_child(prop)) { + ret = fn(prop->opaque, opaque); + if (ret != 0) { + break; + } + } + } + return ret; +} + static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) { GSList **list = opaque; |