From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-000f0801.pphosted.com (mx0b-000f0801.pphosted.com [67.231.152.113]) by dpdk.org (Postfix) with ESMTP id 3ED6B56AB for ; Fri, 8 May 2015 04:57:51 +0200 (CEST) Received: from pps.filterd (m0048192.ppops.net [127.0.0.1]) by mx0b-000f0801.pphosted.com (8.14.7/8.14.7) with SMTP id t482vSeZ012386; Thu, 7 May 2015 19:57:50 -0700 Received: from hq1wp-exchub01.corp.brocade.com ([144.49.131.13]) by mx0b-000f0801.pphosted.com with ESMTP id 1u87bh9r3v-1 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Thu, 07 May 2015 19:57:50 -0700 Received: from HQ1WP-EXMB12.corp.brocade.com (10.70.20.186) by HQ1WP-EXCHUB01.corp.brocade.com (10.70.36.99) with Microsoft SMTP Server (TLS) id 14.3.123.3; Thu, 7 May 2015 19:57:49 -0700 Received: from urahara (10.72.48.66) by HQ1WP-EXMB12.corp.brocade.com (10.70.20.186) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Thu, 7 May 2015 19:57:48 -0700 Date: Thu, 7 May 2015 19:57:53 -0700 From: Stephen Hemminger To: Cunming Liang Message-ID: <20150507195753.24518cfd@urahara> In-Reply-To: <1430804386-28949-3-git-send-email-cunming.liang@intel.com> References: <1425012976-10173-1-git-send-email-cunming.liang@intel.com> <1430804386-28949-1-git-send-email-cunming.liang@intel.com> <1430804386-28949-3-git-send-email-cunming.liang@intel.com> Organization: Brocade MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.72.48.66] X-ClientProxiedBy: hq1wp-excas12.corp.brocade.com (10.70.38.22) To HQ1WP-EXMB12.corp.brocade.com (10.70.20.186) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151, 1.0.33, 0.0.0000 definitions=2015-05-08_01:2015-05-07,2015-05-08,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=probablespam policy=default score=85 spamscore=85 suspectscore=1 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1402240000 definitions=main-1505080036 X-Mailman-Approved-At: Sun, 10 May 2015 14:55:47 +0200 Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH v7 02/10] eal/linux: add rte_epoll_wait/ctl support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 May 2015 02:57:51 -0000 On Tue, 5 May 2015 13:39:38 +0800 Cunming Liang wrote: > + else if (rc < 0) { > + /* epoll_wait fail */ > + RTE_LOG(ERR, EAL, "epoll_wait returns with fail %s\n", > + strerror(errno)); In real application there maybe other random signals. Therefore the code should ignore and return for case of EWOULDBLOCK and EINTR