From patchwork Fri Jun 22 15:08:45 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 166636 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 6B8BDB6F62 for ; Sat, 23 Jun 2012 01:09:47 +1000 (EST) Received: from localhost ([::1]:37266 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Si5UX-0006aR-3z for incoming@patchwork.ozlabs.org; Fri, 22 Jun 2012 11:09:45 -0400 Received: from eggs.gnu.org ([208.118.235.92]:54349) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Si5UG-0006KS-DG for qemu-devel@nongnu.org; Fri, 22 Jun 2012 11:09:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Si5UA-0007uv-1u for qemu-devel@nongnu.org; Fri, 22 Jun 2012 11:09:27 -0400 Received: from e06smtp11.uk.ibm.com ([195.75.94.107]:58245) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Si5U9-0007uX-PB for qemu-devel@nongnu.org; Fri, 22 Jun 2012 11:09:21 -0400 Received: from /spool/local by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 22 Jun 2012 16:09:18 +0100 Received: from d06nrmr1806.portsmouth.uk.ibm.com (9.149.39.193) by e06smtp11.uk.ibm.com (192.168.101.141) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Fri, 22 Jun 2012 16:08:57 +0100 Received: from d06av11.portsmouth.uk.ibm.com (d06av11.portsmouth.uk.ibm.com [9.149.37.252]) by d06nrmr1806.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q5MF8uKQ2703434 for ; Fri, 22 Jun 2012 16:08:56 +0100 Received: from d06av11.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av11.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q5MF8uYc001642 for ; Fri, 22 Jun 2012 09:08:56 -0600 Received: from localhost (stefanha-thinkpad.manchester-maybrook.uk.ibm.com [9.174.219.145]) by d06av11.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q5MF8u5K001639; Fri, 22 Jun 2012 09:08:56 -0600 From: Stefan Hajnoczi To: Kevin Wolf Date: Fri, 22 Jun 2012 16:08:45 +0100 Message-Id: <1340377726-5896-7-git-send-email-stefanha@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.10 In-Reply-To: <1340377726-5896-1-git-send-email-stefanha@linux.vnet.ibm.com> References: <1340377726-5896-1-git-send-email-stefanha@linux.vnet.ibm.com> x-cbid: 12062215-5024-0000-0000-00000300B41B X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 195.75.94.107 Cc: qemu-devel@nongnu.org, Stefan Hajnoczi Subject: [Qemu-devel] [RFC 6/7] qemu-io: add "abort" command to simulate program crash 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 Avoiding data loss and corruption is the top requirement for image file formats. The qemu-io "abort" command makes it possible to simulate program crashes and does not give the image format a chance to cleanly shut down. This command is useful for data integrity test cases. Signed-off-by: Stefan Hajnoczi --- qemu-io.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/qemu-io.c b/qemu-io.c index 5882067..b6bf0bd 100644 --- a/qemu-io.c +++ b/qemu-io.c @@ -1648,6 +1648,17 @@ static const cmdinfo_t map_cmd = { .oneline = "prints the allocated areas of a file", }; +static int abort_f(int argc, char **argv) +{ + abort(); +} + +static const cmdinfo_t abort_cmd = { + .name = "abort", + .cfunc = abort_f, + .flags = CMD_NOFILE_OK, + .oneline = "simulate a program crash using abort(3)", +}; static int close_f(int argc, char **argv) { @@ -1901,6 +1912,7 @@ int main(int argc, char **argv) add_command(&discard_cmd); add_command(&alloc_cmd); add_command(&map_cmd); + add_command(&abort_cmd); add_args_command(init_args_command); add_check_command(init_check_command);