From patchwork Wed Nov 10 09:33:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shaopeng Tan X-Patchwork-Id: 12611659 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B372C433F5 for ; Wed, 10 Nov 2021 09:41:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 23D29610A2 for ; Wed, 10 Nov 2021 09:41:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229831AbhKJJoK (ORCPT ); Wed, 10 Nov 2021 04:44:10 -0500 Received: from esa10.hc1455-7.c3s2.iphmx.com ([139.138.36.225]:23931 "EHLO esa10.hc1455-7.c3s2.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbhKJJoJ (ORCPT ); Wed, 10 Nov 2021 04:44:09 -0500 X-Greylist: delayed 431 seconds by postgrey-1.27 at vger.kernel.org; Wed, 10 Nov 2021 04:44:09 EST IronPort-SDR: bWkE/8CVZN6aB59nqE37nke6m5X/XtuRrZroitYpMQdjef8ChAQvu8mUpTX9ygOcby4KEUuMg4 S8poeq+YVmBGyr5EBC7/9H17WcZgJiqxj1OMNrht8Toe0so/Xkw1COITSI5rnbCCTTKdgP0eBC IY/JMEfiCbVVY010txtUtyaY8TGhEVx2KvqTIV/omYk0Sj/hWn0/LdOxU92FFvq6UTkp0XlYDh MOlSmI8gnAYkW1aRQ3j7gcIf+pEfirkXObW5MvU5XO156q8HlEjldFEoZXc4TSooZ9qGtjM9S2 dHzyhI7636GaSg6rMulimBqy X-IronPort-AV: E=McAfee;i="6200,9189,10163"; a="39914653" X-IronPort-AV: E=Sophos;i="5.87,223,1631545200"; d="scan'208";a="39914653" Received: from unknown (HELO yto-r1.gw.nic.fujitsu.com) ([218.44.52.217]) by esa10.hc1455-7.c3s2.iphmx.com with ESMTP; 10 Nov 2021 18:34:05 +0900 Received: from yto-m2.gw.nic.fujitsu.com (yto-nat-yto-m2.gw.nic.fujitsu.com [192.168.83.65]) by yto-r1.gw.nic.fujitsu.com (Postfix) with ESMTP id 250C91013BD; Wed, 10 Nov 2021 18:34:05 +0900 (JST) Received: from oym-om3.fujitsu.com (oym-om3.o.css.fujitsu.com [10.85.58.163]) by yto-m2.gw.nic.fujitsu.com (Postfix) with ESMTP id 1524EE681E; Wed, 10 Nov 2021 18:34:04 +0900 (JST) Received: from localhost.localdomain (n3235113.np.ts.nmh.cs.fujitsu.co.jp [10.123.235.113]) by oym-om3.fujitsu.com (Postfix) with ESMTP id F30924006D3A2; Wed, 10 Nov 2021 18:34:02 +0900 (JST) From: Shaopeng Tan To: Fenghua Yu , Reinette Chatre , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, tan.shaopeng@jp.fujitsu.com Subject: [PATCH 3/3] selftests/resctrl: Kill the child process created by fork() when the SIGTERM signal comes Date: Wed, 10 Nov 2021 18:33:15 +0900 Message-Id: <20211110093315.3219191-4-tan.shaopeng@jp.fujitsu.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211110093315.3219191-1-tan.shaopeng@jp.fujitsu.com> References: <20211110093315.3219191-1-tan.shaopeng@jp.fujitsu.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org From: "Tan, Shaopeng" In kselftest framework there is a limited time for each sub test, when the time limit comes SIGTEM signal will be sent to sub test by "timeout --foregroup " command. In resctrl_tests, fork() is used to create a child process. This commit ensures child process to be killed before parent process exiting if SIGTERM signal comes. Signed-off-by: Shaopeng Tan --- tools/testing/selftests/resctrl/resctrl_val.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c index 9522434..b32b963 100644 --- a/tools/testing/selftests/resctrl/resctrl_val.c +++ b/tools/testing/selftests/resctrl/resctrl_val.c @@ -678,6 +678,7 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param) sigemptyset(&sigact.sa_mask); sigact.sa_flags = SA_SIGINFO; if (sigaction(SIGINT, &sigact, NULL) || + sigaction(SIGTERM, &sigact, NULL) || sigaction(SIGHUP, &sigact, NULL)) { perror("# sigaction"); ret = errno;