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qom: Add class_base_init

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The class_base_init TypeInfo callback was present in one of the early
QOM versions but removed (on my request...) before committing.  We
will need it soon, add it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Paolo Bonzini 2012-05-02 13:30:55 +02:00 • committed by Andreas Färber
parent 32efc535b8
commit 3b50e311b4
2 changed files with 17 additions and 2 deletions
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9
qom/object.c
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@ -45,6 +45,7 @@ struct TypeImpl
size_t instance_size;
void (*class_init)(ObjectClass *klass, void *data);
void (*class_base_init)(ObjectClass *klass, void *data);
void (*class_finalize)(ObjectClass *klass, void *data);
void *class_data;
@ -112,6 +113,7 @@ TypeImpl *type_register(const TypeInfo *info)
ti->instance_size = info->instance_size;
ti->class_init = info->class_init;
ti->class_base_init = info->class_base_init;
ti->class_finalize = info->class_finalize;
ti->class_data = info->class_data;
@ -232,6 +234,13 @@ static void type_initialize(TypeImpl *ti)
memcpy((void *)ti->class + sizeof(ObjectClass),
(void *)parent->class + sizeof(ObjectClass),
parent->class_size - sizeof(ObjectClass));
while (parent) {
if (parent->class_base_init) {
parent->class_base_init(ti->class, ti->class_data);
}
parent = type_get_parent(parent);
}
}
memset((void *)ti->class + class_size, 0, ti->class_size - class_size);