From patchwork Mon Jan 25 18:41:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Reitz X-Patchwork-Id: 8114501 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 292209F818 for ; Mon, 25 Jan 2016 18:45:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 87ADE20274 for ; Mon, 25 Jan 2016 18:45:35 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9378A200F2 for ; Mon, 25 Jan 2016 18:45:34 +0000 (UTC) Received: from localhost ([::1]:40319 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aNm8s-0006o2-2P for patchwork-qemu-devel@patchwork.kernel.org; Mon, 25 Jan 2016 13:45:34 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37031) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aNm58-0008BP-5H for qemu-devel@nongnu.org; Mon, 25 Jan 2016 13:41:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aNm57-0005OO-8g for qemu-devel@nongnu.org; Mon, 25 Jan 2016 13:41:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39831) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aNm54-0005Na-Rh; Mon, 25 Jan 2016 13:41:38 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id 6FC52300AAA; Mon, 25 Jan 2016 18:41:38 +0000 (UTC) Received: from localhost (ovpn-116-72.ams2.redhat.com [10.36.116.72]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u0PIfamh029887 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 25 Jan 2016 13:41:37 -0500 From: Max Reitz To: qemu-block@nongnu.org Date: Mon, 25 Jan 2016 19:41:14 +0100 Message-Id: <1453747275-9468-8-git-send-email-mreitz@redhat.com> In-Reply-To: <1453747275-9468-1-git-send-email-mreitz@redhat.com> References: <1453747275-9468-1-git-send-email-mreitz@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Kevin Wolf , Paolo Bonzini , Fam Zheng , qemu-devel@nongnu.org, Max Reitz Subject: [Qemu-devel] [PATCH 7/8] iotests: Make redirecting qemu's stderr optional 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Redirecting qemu's stderr to stdout makes working with the stderr output difficult due to the other file descriptor magic performed in _launch_qemu ("ambiguous redirect"). Add an option which specifies whether stderr should be redirected to stdout or not (allowing for other modes to be added in the future). Signed-off-by: Max Reitz Reviewed-by: Kevin Wolf Reviewed-by: John Snow Reviewed-by: Fam Zheng --- tests/qemu-iotests/common.qemu | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/tests/qemu-iotests/common.qemu b/tests/qemu-iotests/common.qemu index 8bf3969..2548a87 100644 --- a/tests/qemu-iotests/common.qemu +++ b/tests/qemu-iotests/common.qemu @@ -129,6 +129,8 @@ function _send_qemu_cmd() # $qemu_comm_method: set this variable to 'monitor' (case insensitive) # to use the QEMU HMP monitor for communication. # Otherwise, the default of QMP is used. +# $keep_stderr: Set this variable to 'y' to keep QEMU's stderr output on stderr. +# If this variable is empty, stderr will be redirected to stdout. # Returns: # $QEMU_HANDLE: set to a handle value to communicate with this QEMU instance. # @@ -151,11 +153,20 @@ function _launch_qemu() mkfifo "${fifo_out}" mkfifo "${fifo_in}" - QEMU_NEED_PID='y'\ - ${QEMU} -nographic -serial none ${comm} -machine accel=qtest "${@}" \ + if [ -z "$keep_stderr" ]; then + QEMU_NEED_PID='y'\ + ${QEMU} -nographic -serial none ${comm} -machine accel=qtest "${@}" \ >"${fifo_out}" \ 2>&1 \ <"${fifo_in}" & + elif [ "$keep_stderr" = "y" ]; then + QEMU_NEED_PID='y'\ + ${QEMU} -nographic -serial none ${comm} -machine accel=qtest "${@}" \ + >"${fifo_out}" \ + <"${fifo_in}" & + else + exit 1 + fi if [[ "${BASH_VERSINFO[0]}" -ge "5" || ("${BASH_VERSINFO[0]}" -ge "4" && "${BASH_VERSINFO[1]}" -ge "1") ]]