From patchwork Fri Oct 30 13:16:05 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wallen, Carl \(Nokia - FI/Espoo\)" X-Patchwork-Id: 55833 Delivered-To: patch@linaro.org Received: by 10.112.61.134 with SMTP id p6csp1215377lbr; Fri, 30 Oct 2015 06:16:48 -0700 (PDT) X-Received: by 10.50.85.47 with SMTP id e15mr2051879igz.24.1446211008294; Fri, 30 Oct 2015 06:16:48 -0700 (PDT) Return-Path: Received: from lists.linaro.org (lists.linaro.org. [54.225.227.206]) by mx.google.com with ESMTP id t9si2396931igz.15.2015.10.30.06.16.46; Fri, 30 Oct 2015 06:16:48 -0700 (PDT) Received-SPF: pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.225.227.206 as permitted sender) client-ip=54.225.227.206; Authentication-Results: mx.google.com; spf=pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.225.227.206 as permitted sender) smtp.mailfrom=lng-odp-bounces@lists.linaro.org Received: by lists.linaro.org (Postfix, from userid 109) id 555CE62C4B; Fri, 30 Oct 2015 13:16:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on ip-10-142-244-252 X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by lists.linaro.org (Postfix) with ESMTP id D979862C3B; Fri, 30 Oct 2015 13:16:13 +0000 (UTC) X-Original-To: lng-odp@lists.linaro.org Delivered-To: lng-odp@lists.linaro.org Received: by lists.linaro.org (Postfix, from userid 109) id 0FE2262C36; Fri, 30 Oct 2015 13:16:11 +0000 (UTC) Received: from demumfd002.nsn-inter.net (demumfd002.nsn-inter.net [93.183.12.31]) by lists.linaro.org (Postfix) with ESMTPS id 0834962C16 for ; Fri, 30 Oct 2015 13:16:09 +0000 (UTC) Received: from demuprx017.emea.nsn-intra.net ([10.150.129.56]) by demumfd002.nsn-inter.net (8.15.2/8.15.2) with ESMTPS id t9UDG877008048 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 30 Oct 2015 13:16:08 GMT Received: from 10.144.19.15 ([10.144.164.243]) by demuprx017.emea.nsn-intra.net (8.12.11.20060308/8.12.11) with ESMTP id t9UDG7Ns031613 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO) for ; Fri, 30 Oct 2015 14:16:08 +0100 From: Carl Wallen To: lng-odp@lists.linaro.org Date: Fri, 30 Oct 2015 15:16:05 +0200 Message-Id: <1446210967-23576-2-git-send-email-carl.wallen@nokia.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1446210967-23576-1-git-send-email-carl.wallen@nokia.com> References: <1446210967-23576-1-git-send-email-carl.wallen@nokia.com> X-purgate-type: clean X-purgate-Ad: Categorized by eleven eXpurgate (R) http://www.eleven.de X-purgate: clean X-purgate: This mail is considered clean (visit http://www.eleven.de for further information) X-purgate-size: 919 X-purgate-ID: 151667::1446210969-00006110-1DD8852B/0/0 X-Topics: patch Subject: [lng-odp] [PATCH 1/3] helper: linux: request SIGTERM if parent process dies X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: "The OpenDataPlane \(ODP\) List" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: lng-odp-bounces@lists.linaro.org Sender: "lng-odp" Request SIGTERM be sent to forked child processes if the parent process dies. Signed-off-by: Carl Wallen --- helper/linux.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/helper/linux.c b/helper/linux.c index 3d3b6b8..3d5da18 100644 --- a/helper/linux.c +++ b/helper/linux.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include @@ -167,6 +168,13 @@ int odph_linux_process_fork_n(odph_linux_process_t *proc_tbl, } /* Child process */ + + /* Request SIGTERM if parent dies */ + prctl(PR_SET_PDEATHSIG, SIGTERM); + /* Parent died already? */ + if (getppid() == 1) + kill(getpid(), SIGTERM); + if (sched_setaffinity(0, sizeof(cpu_set_t), &proc_mask.set)) { ODPH_ERR("sched_setaffinity() failed\n"); return -2;