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qom: Introduce instance_post_init hook

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This will allow classes to specify a function to be called after all
instance_init functions were called.

This will be used by DeviceState to call qdev_prop_set_globals() at the
right moment.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Eduardo Habkost 2013-07-10 17:08:41 -03:00 committed by Andreas Färber
parent 747b0cb4b5
commit 8231c2dd22
2 changed files with 17 additions and 0 deletions
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3
include/qom/object.h
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@ -398,6 +398,8 @@ struct Object
* @instance_init: This function is called to initialize an object. The parent
* class will have already been initialized so the type is only responsible
* for initializing its own members.
* @instance_post_init: This function is called to finish initialization of
* an object, after all @instance_init functions were called.
* @instance_finalize: This function is called during object destruction. This
* is called before the parent @instance_finalize function has been called.
* An object should only free the members that are unique to its type in this
@ -433,6 +435,7 @@ struct TypeInfo
size_t instance_size;
void (*instance_init)(Object *obj);
void (*instance_post_init)(Object *obj);
void (*instance_finalize)(Object *obj);
bool abstract;

14
qom/object.c
View File

@ -51,6 +51,7 @@ struct TypeImpl
void *class_data;
void (*instance_init)(Object *obj);
void (*instance_post_init)(Object *obj);
void (*instance_finalize)(Object *obj);
bool abstract;
@ -111,6 +112,7 @@ static TypeImpl *type_register_internal(const TypeInfo *info)
ti->class_data = info->class_data;
ti->instance_init = info->instance_init;
ti->instance_post_init = info->instance_post_init;
ti->instance_finalize = info->instance_finalize;
ti->abstract = info->abstract;
@ -298,6 +300,17 @@ static void object_init_with_type(Object *obj, TypeImpl *ti)
}
}
static void object_post_init_with_type(Object *obj, TypeImpl *ti)
{
if (ti->instance_post_init) {
ti->instance_post_init(obj);
}
if (type_has_parent(ti)) {
object_post_init_with_type(obj, type_get_parent(ti));
}
}
void object_initialize_with_type(void *data, TypeImpl *type)
{
Object *obj = data;
@ -313,6 +326,7 @@ void object_initialize_with_type(void *data, TypeImpl *type)
object_ref(obj);
QTAILQ_INIT(&obj->properties);
object_init_with_type(obj, type);
object_post_init_with_type(obj, type);
}
void object_initialize(void *data, const char *typename)