From patchwork Thu Aug 1 02:17:22 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Andreas_F=C3=A4rber?= X-Patchwork-Id: 263863 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id CF4D32C00AF for ; Thu, 1 Aug 2013 12:20:19 +1000 (EST) Received: from localhost ([::1]:36296 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V4iUz-0006MP-IX for incoming@patchwork.ozlabs.org; Wed, 31 Jul 2013 22:20:17 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47186) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V4iSl-0003Pq-RG for qemu-devel@nongnu.org; Wed, 31 Jul 2013 22:18:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V4iSd-0006GS-QY for qemu-devel@nongnu.org; Wed, 31 Jul 2013 22:17:59 -0400 Received: from cantor2.suse.de ([195.135.220.15]:60957 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V4iSd-0006Fj-Jq for qemu-devel@nongnu.org; Wed, 31 Jul 2013 22:17:51 -0400 Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id EAC35A51B7 for ; Thu, 1 Aug 2013 04:17:50 +0200 (CEST) From: =?UTF-8?q?Andreas=20F=C3=A4rber?= To: qemu-devel@nongnu.org Date: Thu, 1 Aug 2013 04:17:22 +0200 Message-Id: <1375323463-32747-2-git-send-email-afaerber@suse.de> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1375323463-32747-1-git-send-email-afaerber@suse.de> References: <1375323463-32747-1-git-send-email-afaerber@suse.de> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x X-Received-From: 195.135.220.15 Cc: =?UTF-8?q?Andreas=20F=C3=A4rber?= Subject: [Qemu-devel] [PATCH for-next v2 01/22] object: Add OBJECT_GET_PARENT_CLASS() macro X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The object argument is currently unused and may be used to optimize the class lookup when needed. Inspired-by: Peter Crosthwaite Signed-off-by: Andreas Färber Reviewed-by: Peter Crosthwaite --- include/qom/object.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/qom/object.h b/include/qom/object.h index 23fc048..a8e71dc 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -511,6 +511,16 @@ struct TypeInfo OBJECT_CLASS_CHECK(class, object_get_class(OBJECT(obj)), name) /** + * OBJECT_GET_PARENT_CLASS: + * @obj: The object to obtain the parent class for. + * @name: The QOM typename of @obj. + * + * Returns the parent class for a given object of a specific class. + */ +#define OBJECT_GET_PARENT_CLASS(obj, name) \ + object_class_get_parent(object_class_by_name(name)) + +/** * InterfaceInfo: * @type: The name of the interface. *