From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jianfeng Tan Subject: [RFC 2/8] ipc: fix timeout not properly handled in async Date: Thu, 19 Apr 2018 15:03:30 +0000 Message-ID: <1524150216-3407-3-git-send-email-jianfeng.tan@intel.com> References: <1524150216-3407-1-git-send-email-jianfeng.tan@intel.com> Cc: thomas@monjalon.net, anatoly.burakov@intel.com, Jianfeng Tan To: dev@dpdk.org Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 11DBE7F70 for ; Thu, 19 Apr 2018 17:01:37 +0200 (CEST) In-Reply-To: <1524150216-3407-1-git-send-email-jianfeng.tan@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" In original implementation, timeout event for an async request will be ignored. As a result, an async request will never trigger the action if it cannot receive any reply any more. We fix this by counting timeout as a processed reply. Fixes: f05e26051c15 ("eal: add IPC asynchronous request") Signed-off-by: Jianfeng Tan Signed-off-by: Anatoly Burakov --- lib/librte_eal/common/eal_common_proc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/librte_eal/common/eal_common_proc.c b/lib/librte_eal/common/eal_common_proc.c index 070a075..27de16e 100644 --- a/lib/librte_eal/common/eal_common_proc.c +++ b/lib/librte_eal/common/eal_common_proc.c @@ -419,7 +419,13 @@ process_async_request(struct pending_request *sr, const struct timespec *now) } else if (sr->reply_received == -1) { /* we were asked to ignore this process */ reply->nb_sent--; + } else if (timeout) { + /* count it as processed reponse, but don't increment + * nb_received. + */ + param->n_responses_processed++; } + free(sr->reply); last_msg = param->n_responses_processed == reply->nb_sent; -- 2.7.4