From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on gnuweeb.org X-Spam-Level: X-Spam-Status: No, score=-6.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 Authentication-Results: gnuweeb.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: gnuweeb.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=Ccgs9cWE; dkim-atps=neutral Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=139.178.84.217; helo=dfw.source.kernel.org; envelope-from=srs0=wjcp=bh=paulmck-thinkpad-p17-gen-1.home=paulmck@kernel.org; receiver= Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by gnuweeb.org (Postfix) with ESMTPS id 089992492EB for ; Thu, 18 May 2023 21:55:30 +0700 (WIB) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7521064432; Thu, 18 May 2023 14:55:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD3E5C4339C; Thu, 18 May 2023 14:55:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684421728; bh=UfezgJW4qV6A3Fx5ZwnvEgO/thFwlCGX/qvaitn6eGs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ccgs9cWEvcgjUxlizOqSW2qLhQvu4CQM3HFH74ASRei1MxE7NieaGI2MLXNKikNIS b7ygBM1wjd8gEpNNZI+iPGiglqRVAjhEnOCF3v/FTLo5RPLwYlb8lpBunbnkWLwDOR xy3LEj7n7Sa2yDPphgbPw/a46XGNBZCX76H1T2lZ419unUVXvRP04/loMs1ikPFXTH 3Pu2ucfZedAtFIjzawBzQD0L+Gtpf8Gsg/qvWARFHunVx2BDTIaqHB5OyieeSXYLRy tkXs6Wvwa6p51yji9LUDOKX9o+Wc49Bvj5e3JajpUnXE4q5yA7iQfLe/R32GdK/Ov9 UA0CUjY+Y7TPQ== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 32D43CE1C2F; Thu, 18 May 2023 07:55:23 -0700 (PDT) From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: gwml@vger.gnuweeb.org, kernel-team@meta.com, w@lwt.eu, =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Willy Tarreau , "Paul E . McKenney" Subject: [PATCH v2 nolibc 14/15] tools/nolibc: add testcase for fork()/waitpid() Date: Thu, 18 May 2023 07:55:20 -0700 Message-Id: <20230518145521.3806117-14-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <4817a4dc-69e6-4937-84d5-f2f630ff646c@paulmck-laptop> References: <4817a4dc-69e6-4937-84d5-f2f630ff646c@paulmck-laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit List-Id: From: Thomas Weißschuh On s390 the arguments to clone() which is used by fork() are different than other archs. Make sure everything works correctly. Signed-off-by: Thomas Weißschuh Signed-off-by: Willy Tarreau Signed-off-by: Paul E. McKenney --- tools/testing/selftests/nolibc/nolibc-test.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index f06b38cfe38a..f042a6436b6b 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -474,6 +474,25 @@ static int test_getpagesize(void) return !c; } +static int test_fork(void) +{ + int status; + pid_t pid = fork(); + + switch (pid) { + case -1: + return 1; + + case 0: + exit(123); + + default: + pid = waitpid(pid, &status, 0); + + return pid == -1 || !WIFEXITED(status) || WEXITSTATUS(status) != 123; + } +} + /* Run syscall tests between IDs and . * Return 0 on success, non-zero on failure. */ @@ -530,6 +549,7 @@ int run_syscall(int min, int max) CASE_TEST(dup3_0); tmp = dup3(0, 100, 0); EXPECT_SYSNE(1, tmp, -1); close(tmp); break; CASE_TEST(dup3_m1); tmp = dup3(-1, 100, 0); EXPECT_SYSER(1, tmp, -1, EBADF); if (tmp != -1) close(tmp); break; CASE_TEST(execve_root); EXPECT_SYSER(1, execve("/", (char*[]){ [0] = "/", [1] = NULL }, NULL), -1, EACCES); break; + CASE_TEST(fork); EXPECT_SYSZR(1, test_fork()); break; CASE_TEST(getdents64_root); EXPECT_SYSNE(1, test_getdents64("/"), -1); break; CASE_TEST(getdents64_null); EXPECT_SYSER(1, test_getdents64("/dev/null"), -1, ENOTDIR); break; CASE_TEST(gettimeofday_null); EXPECT_SYSZR(1, gettimeofday(NULL, NULL)); break; -- 2.40.1