From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2644AC35272 for ; Mon, 7 Feb 2022 16:31:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1389885AbiBGQa5 (ORCPT ); Mon, 7 Feb 2022 11:30:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1387604AbiBGQZ7 (ORCPT ); Mon, 7 Feb 2022 11:25:59 -0500 Received: from 1wt.eu (wtarreau.pck.nerim.net [62.212.114.60]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9CE12C0401CE for ; Mon, 7 Feb 2022 08:25:58 -0800 (PST) Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id 217GOga5014424; Mon, 7 Feb 2022 17:24:42 +0100 From: Willy Tarreau To: "Paul E . McKenney" Cc: Mark Brown , linux-kernel@vger.kernel.org, Willy Tarreau Subject: [PATCH 40/42] tools/nolibc/time: create time.h with time() Date: Mon, 7 Feb 2022 17:23:52 +0100 Message-Id: <20220207162354.14293-41-w@1wt.eu> X-Mailer: git-send-email 2.17.5 In-Reply-To: <20220207162354.14293-1-w@1wt.eu> References: <20220207162354.14293-1-w@1wt.eu> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The time() syscall is used by a few simple applications, and is trivial to implement based on gettimeofday() that we already have. Let's create the file to ease porting and provide the function. It never returns any error, though it may segfault in case of invalid pointer, like other implementations relying on gettimeofday(). Signed-off-by: Willy Tarreau --- tools/include/nolibc/nolibc.h | 1 + tools/include/nolibc/time.h | 28 ++++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) create mode 100644 tools/include/nolibc/time.h diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index 0f375e901a36..561dcdb83cee 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -92,6 +92,7 @@ #include "stdio.h" #include "stdlib.h" #include "string.h" +#include "time.h" #include "unistd.h" /* Used by programs to avoid std includes */ diff --git a/tools/include/nolibc/time.h b/tools/include/nolibc/time.h new file mode 100644 index 000000000000..d18b7661fdd7 --- /dev/null +++ b/tools/include/nolibc/time.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ +/* + * time function definitions for NOLIBC + * Copyright (C) 2017-2022 Willy Tarreau + */ + +#ifndef _NOLIBC_TIME_H +#define _NOLIBC_TIME_H + +#include "std.h" +#include "arch.h" +#include "types.h" +#include "sys.h" + +static __attribute__((unused)) +time_t time(time_t *tptr) +{ + struct timeval tv; + + /* note, cannot fail here */ + sys_gettimeofday(&tv, NULL); + + if (tptr) + *tptr = tv.tv_sec; + return tv.tv_sec; +} + +#endif /* _NOLIBC_TIME_H */ -- 2.35.1