From patchwork Fri Dec 30 15:26:06 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaron Conole X-Patchwork-Id: 18739 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 1D6DEF921; Fri, 30 Dec 2016 16:27:33 +0100 (CET) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 14CAB2C6D for ; Fri, 30 Dec 2016 16:26:27 +0100 (CET) Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 887A180086 for ; Fri, 30 Dec 2016 15:26:26 +0000 (UTC) Received: from dhcp-25-97.bos.redhat.com (unused [10.10.52.171] (may be forged)) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uBUFQLtd031288 for ; Fri, 30 Dec 2016 10:26:26 -0500 From: Aaron Conole To: dev@dpdk.org Date: Fri, 30 Dec 2016 10:26:06 -0500 Message-Id: <1483111580-5397-10-git-send-email-aconole@redhat.com> In-Reply-To: <1483111580-5397-1-git-send-email-aconole@redhat.com> References: <1483111580-5397-1-git-send-email-aconole@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Fri, 30 Dec 2016 15:26:26 +0000 (UTC) Subject: [dpdk-dev] [RFC 09/23] eal: set errno when exiting for already called X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Aaron Conole --- lib/librte_eal/linuxapp/eal/eal.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c index 31d3bba..f996047 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -756,8 +756,10 @@ rte_eal_init(int argc, char **argv) return -1; } - if (!rte_atomic32_test_and_set(&run_once)) + if (!rte_atomic32_test_and_set(&run_once)) { + errno = EALREADY; return -1; + } logid = strrchr(argv[0], '/'); logid = strdup(logid ? logid + 1: argv[0]);