From patchwork Mon Feb 27 16:18:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaron Conole X-Patchwork-Id: 20918 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 6ECFAF970; Mon, 27 Feb 2017 17:19:09 +0100 (CET) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 8D64A2E81 for ; Mon, 27 Feb 2017 17:18:22 +0100 (CET) Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (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 035C8C037F70; Mon, 27 Feb 2017 16:18:23 +0000 (UTC) Received: from dhcp-25-97.bos.redhat.com (dhcp-25-172.bos.redhat.com [10.18.25.172]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v1RGICJv003061; Mon, 27 Feb 2017 11:18:22 -0500 From: Aaron Conole To: dev@dpdk.org Cc: Stephen Hemminger , Bruce Richardson Date: Mon, 27 Feb 2017 11:18:02 -0500 Message-Id: <20170227161811.12309-18-aconole@redhat.com> In-Reply-To: <20170227161811.12309-1-aconole@redhat.com> References: <20170225160309.31270-1-aconole@redhat.com> <20170227161811.12309-1-aconole@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Mon, 27 Feb 2017 16:18:23 +0000 (UTC) Subject: [dpdk-dev] [PATCH v5 17/26] eal: change the private pipe call to reflect errno 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" There could be some confusion as to why the call failed - this change will always reflect the value of the error in rte_error. Signed-off-by: Aaron Conole --- lib/librte_eal/linuxapp/eal/eal_interrupts.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c b/lib/librte_eal/linuxapp/eal/eal_interrupts.c index 92a19cb..5bb833e 100644 --- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c +++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c @@ -898,13 +898,16 @@ rte_eal_intr_init(void) * create a pipe which will be waited by epoll and notified to * rebuild the wait list of epoll. */ - if (pipe(intr_pipe.pipefd) < 0) + if (pipe(intr_pipe.pipefd) < 0) { + rte_errno = errno; return -1; + } /* create the host thread to wait/handle the interrupt */ ret = pthread_create(&intr_thread, NULL, eal_intr_thread_main, NULL); if (ret != 0) { + rte_errno = ret; RTE_LOG(ERR, EAL, "Failed to create thread for interrupt handling\n"); } else {