From patchwork Tue Sep 10 12:03:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugene Syromiatnikov X-Patchwork-Id: 11139307 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7207676 for ; Tue, 10 Sep 2019 12:03:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59B4621019 for ; Tue, 10 Sep 2019 12:03:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728759AbfIJMDh (ORCPT ); Tue, 10 Sep 2019 08:03:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57872 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726066AbfIJMDh (ORCPT ); Tue, 10 Sep 2019 08:03:37 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A4CDFC056808; Tue, 10 Sep 2019 12:03:37 +0000 (UTC) Received: from asgard.redhat.com (ovpn-112-63.ams2.redhat.com [10.36.112.63]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C9E2160BE2; Tue, 10 Sep 2019 12:03:33 +0000 (UTC) Date: Tue, 10 Sep 2019 13:03:06 +0100 From: Eugene Syromiatnikov To: linux-kernel@vger.kernel.org, Christian Brauner , Shuah Khan , linux-kselftest@vger.kernel.org Cc: Adrian Reber Subject: [PATCH 1/6] selftests/clone3: convert test modes into an enum Message-ID: <96cf2b235f525321a562e9727b3fa0b05675efe8.1568116761.git.esyr@redhat.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Tue, 10 Sep 2019 12:03:37 +0000 (UTC) Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org * tools/testing/selftests/clone3/clone3.c (CLONE3_ARGS_NO_TEST, CLONE3_ARGS_ALL_0, CLONE3_ARGS_ALL_1): Change into an enum. (call_clone3): Change test_mode parameter type to enum test_mode; use switch statement for actions that dependent on test_mode selection. (test_clone3): Change test_mode parameter type to enum test_mode. Signed-off-by: Eugene Syromiatnikov --- tools/testing/selftests/clone3/clone3.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/tools/testing/selftests/clone3/clone3.c b/tools/testing/selftests/clone3/clone3.c index a0f1989..7b65ee5 100644 --- a/tools/testing/selftests/clone3/clone3.c +++ b/tools/testing/selftests/clone3/clone3.c @@ -24,16 +24,18 @@ /* V1 includes set_tid */ #define CLONE3_ARGS_SIZE_V1 72 -#define CLONE3_ARGS_NO_TEST 0 -#define CLONE3_ARGS_ALL_0 1 -#define CLONE3_ARGS_ALL_1 2 +enum test_mode { + CLONE3_ARGS_NO_TEST, + CLONE3_ARGS_ALL_0, + CLONE3_ARGS_ALL_1, +}; static pid_t raw_clone(struct clone_args *args, size_t size) { return syscall(__NR_clone3, args, size); } -static int call_clone3(int flags, size_t size, int test_mode) +static int call_clone3(int flags, size_t size, enum test_mode test_mode) { struct clone_args args = {0}; pid_t ppid = -1; @@ -46,7 +48,8 @@ static int call_clone3(int flags, size_t size, int test_mode) if (size == 0) size = sizeof(struct clone_args); - if (test_mode == CLONE3_ARGS_ALL_0) { + switch (test_mode) { + case CLONE3_ARGS_ALL_0: args.flags = 0; args.pidfd = 0; args.child_tid = 0; @@ -56,7 +59,9 @@ static int call_clone3(int flags, size_t size, int test_mode) args. stack_size = 0; args.tls = 0; args.set_tid = 0; - } else if (test_mode == CLONE3_ARGS_ALL_1) { + break; + + case CLONE3_ARGS_ALL_1: args.flags = 1; args.pidfd = 1; args.child_tid = 1; @@ -66,6 +71,7 @@ static int call_clone3(int flags, size_t size, int test_mode) args. stack_size = 1; args.tls = 1; args.set_tid = 1; + break; } pid = raw_clone(&args, size); @@ -91,7 +97,8 @@ static int call_clone3(int flags, size_t size, int test_mode) return 0; } -static int test_clone3(int flags, size_t size, int expected, int test_mode) +static int test_clone3(int flags, size_t size, int expected, + enum test_mode test_mode) { int ret;