From patchwork Sun Mar 7 12:59:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Majewski X-Patchwork-Id: 42363 X-Patchwork-Delegate: azanella@linux.vnet.ibm.com Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 6A50D3836C7E; Sun, 7 Mar 2021 12:59:35 +0000 (GMT) X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.10]) by sourceware.org (Postfix) with ESMTPS id 180293860C3D for ; Sun, 7 Mar 2021 12:59:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 180293860C3D Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: sourceware.org; spf=none smtp.mailfrom=lukma@denx.de Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4DthPt6gQlz1rwbg; Sun, 7 Mar 2021 13:59:30 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4DthPt5Nvmz1qw8L; Sun, 7 Mar 2021 13:59:30 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id Dx679gewVHjH; Sun, 7 Mar 2021 13:59:28 +0100 (CET) X-Auth-Info: OUG3slzWtLFYgPrUEPEPgmykA1LdTgQohxMpWV6/ugU= Received: from localhost.localdomain (85-222-111-42.dynamic.chello.pl [85.222.111.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sun, 7 Mar 2021 13:59:28 +0100 (CET) From: Lukasz Majewski To: Joseph Myers , Adhemerval Zanella , Florian Weimer , DJ Delorie Subject: [PATCH] tst: Add test for settimeofday Date: Sun, 7 Mar 2021 13:59:15 +0100 Message-Id: <20210307125915.30245-1-lukma@denx.de> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Spam-Status: No, score=-14.9 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_LAZY_DOMAIN_SECURITY, KAM_SHORT, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: GNU C Library , Florian Weimer , Alistair Francis Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" This code brings test to check if time on target machine is properly set. To avoid any issues with altering the time: - The time, which was set before the test was executed is restored. - The time is altered only when cross-test-ssh.sh is executed with --allow-time-setting flag Reviewed-by: Adhemerval Zanella --- time/Makefile | 2 +- time/tst-settimeofday.c | 52 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+), 1 deletion(-) create mode 100644 time/tst-settimeofday.c diff --git a/time/Makefile b/time/Makefile index 414721ecc5..acfd08ef36 100644 --- a/time/Makefile +++ b/time/Makefile @@ -49,7 +49,7 @@ tests := test_time clocktest tst-posixtz tst-strptime tst_wcsftime \ tst-tzname tst-y2039 bug-mktime4 tst-strftime2 tst-strftime3 \ tst-clock tst-clock2 tst-clock_nanosleep tst-cpuclock1 \ tst-adjtime tst-ctime tst-difftime tst-mktime4 tst-clock_settime \ - tst-itimer tst-gmtime tst-timegm tst-timespec_get + tst-itimer tst-gmtime tst-timegm tst-timespec_get tst-settimeofday tests-time64 := \ tst-adjtime-time64 \ diff --git a/time/tst-settimeofday.c b/time/tst-settimeofday.c new file mode 100644 index 0000000000..6d0f936a15 --- /dev/null +++ b/time/tst-settimeofday.c @@ -0,0 +1,52 @@ +/* Test for settimeofday + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include +#include +#include + +#define TIMESPEC_SEC_Y2038_OV 0x7FFFFFFF +#define FUTURE_TIME (TIMESPEC_SEC_Y2038_OV - 10) + +static int +do_test (void) +{ + const struct timeval tv = { FUTURE_TIME, 0}; + struct timespec tv_future, tv_now; + + /* Check if altering target time is allowed. */ + if (getenv (SETTIME_ENV_NAME) == NULL) + FAIL_UNSUPPORTED ("settimeofday is executed only when "\ + SETTIME_ENV_NAME" is set\n"); + + tv_now = xclock_now(CLOCK_REALTIME); + settimeofday(&tv, NULL); + tv_future = xclock_now(CLOCK_REALTIME); + + /* Restore old time value on target machine. */ + xclock_settime(CLOCK_REALTIME, (const struct timespec*) &tv_now); + + if (tv_future.tv_sec < tv.tv_sec) + FAIL_EXIT1 ("settimeofday set wrong time!\n"); + + return 0; +} + +#include