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qom: Make all interface types abstract

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"qom-list-types abstract=false" currently returns all interface
types, as if they were not abstract. Fix this by making sure all
interface types are abstract.

All interface types have instance_size == 0, so we can use
it to set abstract=true on type_initialize().

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <1481567461-2341-1-git-send-email-ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Eduardo Habkost 2016-12-12 16:31:01 -02:00 • committed by Paolo Bonzini
parent 765a707000
commit 1c6d75d5f7
2 changed files with 63 additions and 3 deletions
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6
qom/object.c
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@ -272,6 +272,12 @@ static void type_initialize(TypeImpl *ti)
ti->class_size = type_class_get_size(ti);
ti->instance_size = type_object_get_size(ti);
/* Any type with zero instance_size is implicitly abstract.
* This means interface types are all abstract.
*/
if (ti->instance_size == 0) {
ti->abstract = true;
}
ti->class = g_malloc0(ti->class_size);