From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KSWa3-0006aR-TZ for qemu-devel@nongnu.org; Mon, 11 Aug 2008 08:33:00 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KSWa1-0006Y4-Gr for qemu-devel@nongnu.org; Mon, 11 Aug 2008 08:32:58 -0400 Received: from [199.232.76.173] (port=53737 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KSWa1-0006Xr-BW for qemu-devel@nongnu.org; Mon, 11 Aug 2008 08:32:57 -0400 Received: from mx1.redhat.com ([66.187.233.31]:38069) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KSWa1-0000NY-44 for qemu-devel@nongnu.org; Mon, 11 Aug 2008 08:32:57 -0400 From: Gerd Hoffmann Date: Mon, 11 Aug 2008 14:32:42 +0200 Message-Id: <1218457970-11707-4-git-send-email-kraxel@redhat.com> In-Reply-To: <1218457970-11707-1-git-send-email-kraxel@redhat.com> References: <1218457970-11707-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PATCH 03/11] add container_of() macro to osdep.h Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, xen-devel@lists.xensource.com Cc: Gerd Hoffmann >>From linux kernel sources, xen bits will use it, put it into a place where others can see and use it too ;) Signed-off-by: Gerd Hoffmann --- osdep.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/osdep.h b/osdep.h index a32242e..b69ce2e 100644 --- a/osdep.h +++ b/osdep.h @@ -19,6 +19,10 @@ #define unlikely(x) __builtin_expect(!!(x), 0) #endif +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) + #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif -- 1.5.5.1