From patchwork Thu Jun 10 09:10:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiyang Ruan X-Patchwork-Id: 1490320 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it (client-ip=213.254.12.146; helo=picard.linux.it; envelope-from=ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it; receiver=) Received: from picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4G0yrP2wd6z9s5R for ; Thu, 10 Jun 2021 19:11:00 +1000 (AEST) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 9F5203C31A9 for ; Thu, 10 Jun 2021 11:10:58 +0200 (CEST) X-Original-To: ltp@lists.linux.it Delivered-To: ltp@picard.linux.it Received: from in-7.smtp.seeweb.it (in-7.smtp.seeweb.it [IPv6:2001:4b78:1:20::7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 73BF83C1C6B for ; Thu, 10 Jun 2021 11:10:55 +0200 (CEST) Received: from heian.cn.fujitsu.com (mail.cn.fujitsu.com [183.91.158.132]) by in-7.smtp.seeweb.it (Postfix) with ESMTP id EE0AE201103 for ; Thu, 10 Jun 2021 11:10:53 +0200 (CEST) IronPort-HdrOrdr: A9a23:UclZtakbQyIZG4gQN84RpLp+ZlXpDfIQ3DAbv31ZSRFFG/Fw9vre+MjzsCWYtN9/Yh8dcK+7UpVoLUm8yXcX2/h1AV7BZniEhILAFugLgrcKqAeQeREWmNQ86Y5QN4B6CPDVSWNxlNvG5mCDeOoI8Z2q97+JiI7lo0tQcQ== X-IronPort-AV: E=Sophos;i="5.83,263,1616428800"; d="scan'208";a="109455605" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 10 Jun 2021 17:10:51 +0800 Received: from G08CNEXMBPEKD06.g08.fujitsu.local (unknown [10.167.33.206]) by cn.fujitsu.com (Postfix) with ESMTP id 8F9EF4C36A13 for ; Thu, 10 Jun 2021 17:10:48 +0800 (CST) Received: from G08CNEXCHPEKD07.g08.fujitsu.local (10.167.33.80) by G08CNEXMBPEKD06.g08.fujitsu.local (10.167.33.206) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 10 Jun 2021 17:10:48 +0800 Received: from irides.mr.mr.mr (10.167.225.141) by G08CNEXCHPEKD07.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 10 Jun 2021 17:10:48 +0800 From: Shiyang Ruan To: Date: Thu, 10 Jun 2021 17:10:42 +0800 Message-ID: <20210610091043.900863-1-ruansy.fnst@fujitsu.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-yoursite-MailScanner-ID: 8F9EF4C36A13.AFBC5 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@fujitsu.com X-Spam-Status: No, score=0.4 required=7.0 tests=KHOP_HELO_FCRDNS, SPF_HELO_NONE, SPF_NEUTRAL autolearn=disabled version=3.4.4 X-Virus-Scanned: clamav-milter 0.102.4 at in-7.smtp.seeweb.it X-Virus-Status: Clean X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on in-7.smtp.seeweb.it Subject: [LTP] [PATCH 1/2] syscalls/read03: Convert to new API X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it Sender: "ltp" Signed-off-by: Shiyang Ruan --- testcases/kernel/syscalls/read/read03.c | 155 +++++------------------- 1 file changed, 33 insertions(+), 122 deletions(-) diff --git a/testcases/kernel/syscalls/read/read03.c b/testcases/kernel/syscalls/read/read03.c index 28554f5ba..2bee29c13 100644 --- a/testcases/kernel/syscalls/read/read03.c +++ b/testcases/kernel/syscalls/read/read03.c @@ -1,146 +1,57 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - * - * Copyright (c) International Business Machines Corp., 2001 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * Copyright (c) International Business Machines Corp., 2001 */ -/* - * NAME - * read03.c - * - * DESCRIPTION - * Testcase to check that read() sets errno to EAGAIN - * - * ALGORITHM - * Create a named pipe (fifo), open it in O_NONBLOCK mode, and - * attempt to read from it, without writing to it. read() should fail - * with EAGAIN. - * - * USAGE: - * read03 [-c n] [-e] [-i n] [-I x] [-P x] [-t] - * where, -c n : Run n copies concurrently. - * -e : Turn on errno logging. - * -i n : Execute test n times. - * -I x : Execute test for x seconds. - * -P x : Pause for x seconds between iterations. - * -t : Turn on syscall timing. +/*\ + * [DESCRIPTION] * - * HISTORY - * 07/2001 Ported by Wayne Boyer - * - * RESTRICTIONS - * NONE + * Testcase to check if read() successfully sets errno to EAGAIN when read from + * a pipe(fifo, opened in O_NONBLOCK mode) without writing to it. */ -#include -#include -#include -#include -#include "test.h" -char *TCID = "read03"; -int TST_TOTAL = 1; - -char fifo[100] = "fifo"; -int rfd, wfd; -struct stat buf; +#include +#include +#include "tst_test.h" -void alarm_handler(); -void setup(); -void cleanup(); +static char fifo[100]; +static int rfd, wfd; -int main(int ac, char **av) +static void verify_read(void) { - int lc; - int c; - tst_parse_opts(ac, av, NULL, NULL); - - setup(); - - /* - * The following loop checks looping state if -i option given - */ - for (lc = 0; TEST_LOOPING(lc); lc++) { - /* reset tst_count in case we are looping */ - tst_count = 0; - - TEST(read(rfd, &c, 1)); - - if (TEST_RETURN != -1) { - tst_resm(TFAIL, "read() failed to fail when nothing " - "is written to a pipe"); - continue; - } - - if (TEST_ERRNO != EAGAIN) { - tst_resm(TFAIL, "read set bad errno, expected " - "EAGAIN, got %d", TEST_ERRNO); - } else { - tst_resm(TPASS, "read() succeded in setting errno to " - "EAGAIN"); - } - } - cleanup(); - tst_exit(); - + TST_EXP_FAIL(read(rfd, &c, 1), EAGAIN, + "read() when nothing is written to a pipe"); } -/* - * setup() - performs all ONE TIME setup for this test - */ -void setup(void) +static void setup(void) { + struct stat buf; - tst_sig(NOFORK, DEF_HANDLER, cleanup); - - TEST_PAUSE; - - /* create a temporary filename */ - sprintf(fifo, "%s.%d", fifo, getpid()); + sprintf(fifo, "fifo.%d", getpid()); - /* Create a temporary directory and cd to it */ - tst_tmpdir(); + SAFE_MKNOD(fifo, S_IFIFO | 0777, 0); + SAFE_STAT(fifo, &buf); - if (mknod(fifo, S_IFIFO | 0777, 0) < 0) { - tst_brkm(TBROK, cleanup, "mknod() failed, errno: %d", errno); - } - if (stat(fifo, &buf) != 0) { - tst_brkm(TBROK, cleanup, "stat() failed, errno: %d", errno); - } if ((buf.st_mode & S_IFIFO) == 0) { - tst_brkm(TBROK, cleanup, "Mode does not indicate fifo file"); + tst_brk(TBROK, "Mode does not indicate fifo file"); } - rfd = open(fifo, O_RDONLY | O_NONBLOCK); - wfd = open(fifo, O_WRONLY | O_NONBLOCK); + rfd = SAFE_OPEN(fifo, O_RDONLY | O_NONBLOCK); + wfd = SAFE_OPEN(fifo, O_WRONLY | O_NONBLOCK); } -/* - * cleanup() - performs all ONE TIME cleanup for this test at - * completion or premature exit. - */ -void cleanup(void) +static void cleanup(void) { - - close(rfd); - close(wfd); - unlink(fifo); - - /* delete the test directory created in setup() */ - tst_rmdir(); - + SAFE_CLOSE(rfd); + SAFE_CLOSE(wfd); + SAFE_UNLINK(fifo); } + +static struct tst_test test = { + .needs_tmpdir = 1, + .setup = setup, + .cleanup = cleanup, + .test_all = verify_read, +};