From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: rte_eal_init() alternative? Date: Wed, 02 Sep 2015 15:10:25 +0200 Message-ID: <3003120.8bdQ5bCz5C@xps13> References: <44e664970fef4bff942eaee5c7eaca67@bilemail1.empirix.com> <20150902125650.GA10364@bricha3-MOBL3> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: "Montorsi, Francesco" Return-path: Received: from mail-wi0-f177.google.com (mail-wi0-f177.google.com [209.85.212.177]) by dpdk.org (Postfix) with ESMTP id 3D7F8688E for ; Wed, 2 Sep 2015 15:11:36 +0200 (CEST) Received: by wicfx3 with SMTP id fx3so18653776wic.0 for ; Wed, 02 Sep 2015 06:11:36 -0700 (PDT) In-Reply-To: <20150902125650.GA10364@bricha3-MOBL3> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 2015-09-02 13:56, Bruce Richardson: > On Wed, Sep 02, 2015 at 12:49:40PM +0000, Montorsi, Francesco wrote: > > Hi all, > > > > Currently it seems that the only way to initialize EAL is using rte_eal_init() function, correct? > > > > I have the problem that rte_eal_init() will call rte_panic() whenever something fails to initialize or in other cases it will call exit(). > > In my application, I would rather like to attempt DPDK initialization. If it fails I don't want to exit. > > Unfortunately I cannot even copy&paste the rte_eal_init() code into my application (removing rte_panic and exit calls) since it uses a lot of DPDK internal private functions. > > > > I think that my requirements (avoid abort/exit calls when init fails) is a basic requirement... would you accept a patch that adds an alternative rte_eal_init() function that just returns an error code upon failure, instead of immediately exiting? > > > > Thanks for your hard work! > > > > Francesco Montorsi > > > I, for one, would welcome such a patch. I think the code is overly quick in > many places to panic or exit the app, when an error code would be more appropriate. > Feel free to also look at other libraries in DPDK too, if you like :-) Yes but please, do not create an alternative init function. We just need to replace panic/exit with error codes and be sure that apps and examples handle them correctly. Thanks