From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v8 02/19] eal: enable multi process init callback Date: Tue, 03 Jul 2018 11:27:36 +0200 Message-ID: <3358274.MJj7BZBBQ7@xps> References: <20180607123849.14439-1-qi.z.zhang@intel.com> <20180702054450.29269-1-qi.z.zhang@intel.com> <20180702054450.29269-3-qi.z.zhang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org, anatoly.burakov@intel.com, konstantin.ananyev@intel.com, bruce.richardson@intel.com, ferruh.yigit@intel.com, benjamin.h.shelton@intel.com, narender.vangati@intel.com To: Qi Zhang Return-path: Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by dpdk.org (Postfix) with ESMTP id 505B71BE40 for ; Tue, 3 Jul 2018 11:27:40 +0200 (CEST) In-Reply-To: <20180702054450.29269-3-qi.z.zhang@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi Qi, Sorry I do not understand neither the commit log, nor the doxygen. If it can help, consider your reader is in a bad mood and needs a pleasant description. 02/07/2018 07:44, Qi Zhang: > Introduce new API rte_eal_register_mp_init that help to register > a callback function which will be invoked right after multi-process > channel be established (rte_mp_channel_init). Typically the API > will be used by other module that want it's mp channel action callbacks > can be registered during rte_eal_init automatically. [...] > +/** > + * @warning > + * @b EXPERIMENTAL: this API may change without prior notice > + * > + * Register a callback function that will be invoked right after > + * multi-process channel be established (rte_mp_channel_init). Typically > + * the function is used by other module that want it's mp channel > + * action callbacks can be registered during rte_eal_init automatically. > + * > + * @note > + * This function only take effect when be called before rte_eal_init, > + * and all registered callback will be clear during rte_eal_cleanup. > + * > + * @param callback > + * function be called at that moment. > + * > + * @return > + * - 0 on success. > + * - (<0) on failure. > + */ > +int __rte_experimental > +rte_eal_register_mp_init(rte_eal_mp_init_callback_t callback); It looks the prefix of this function should be rte_mp_