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Re: [Qemu-devel] [RFC v0 5/8] object: make interfaces concrete

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [RFC v0 5/8] object: make interfaces concrete
Date: Wed, 13 Jun 2012 15:38:51 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0

Il 13/06/2012 15:36, Anthony Liguori ha scritto:
>> Concrete doesn't mean "instantiatable by the user".  It means
>> "instantiatable period".
> Interfaces are not supposed to be instantiatable by anyone.  The fact
> that object_new() is used to create the interface is an internal
> implementation detail.

Whose side effect is that interfaces need to be concrete.

> Interfaces are stateless and by definition, never have an implementation
> on their own.  So object_new() of an interface type directly results in
> a useless object.

Yes, and that's why you needn't really care about what the user does.
Garbage in, garbage out...


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