From patchwork Thu Oct 21 18:06:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 12576035 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFA5AC433EF for ; Thu, 21 Oct 2021 18:08:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9E40661AFF for ; Thu, 21 Oct 2021 18:08:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232363AbhJUSK2 (ORCPT ); Thu, 21 Oct 2021 14:10:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:54940 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229914AbhJUSK1 (ORCPT ); Thu, 21 Oct 2021 14:10:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CF8E361AFC; Thu, 21 Oct 2021 18:08:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1634839691; bh=KfpPJVWRO66fQ+lHM4RrxvOpwpsFMCzrx77xLw3EyNE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=My04aqlxLq/TMXcFIjaL1SRDMHD6m/v7nDjlOPBRuKNtDXu2jGkhVHhSzJ//1zLIn l/8ym3F3P9+b7IlSVoAkZgJEE2eLB6/UWz26Pi+UqoUwYzZsPo/elxXMHfIdxkyIvW nxzn+UF7EJ752BDpWsHi9+k5KsE6Q2vRSFncdDzv8wh7uszQ443kBxO1SM3RXp2hDi U+bClJuX1ecVhZIr/kHGns9h9gVaft4e0cxNeT4VpcDM79iCAYPVOaxIFjE/ypvyZT zchEFjiet4gM98dA+q3uCBf3wGaZeTnhuAQUmiw2GDtLuoCIVQlpjAx7vu+CPFMWhO EdhLIYq8UWUyA== From: Mark Brown To: Catalin Marinas , Will Deacon , Shuah Khan , Shuah Khan Cc: Alan Hayward , Luis Machado , Salil Akerkar , Basant Kumar Dwivedi , Szabolcs Nagy , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown , Willy Tarreau Subject: [PATCH v4 05/33] tools/nolibc: Implement gettid() Date: Thu, 21 Oct 2021 19:06:54 +0100 Message-Id: <20211021180722.3699248-6-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211021180722.3699248-1-broonie@kernel.org> References: <20211021180722.3699248-1-broonie@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1061; h=from:subject; bh=KfpPJVWRO66fQ+lHM4RrxvOpwpsFMCzrx77xLw3EyNE=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBhcaxCztk/96WoNH8DozWFJeEEmhlhgkZPyKxVcLYr laul/l+JATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYXGsQgAKCRAk1otyXVSH0Jm0B/ 4/HQdP8zzvK11v3PjiHAiRs3OE2nP77wfyiJNChTlrryA66Ac2uyUMpp1/eG443BYH1qoYRgICoU95 YiURHwBPqOMCBuESpdJnFd2jEpdBMmg3QP9RlF3uhyDQsyH8U0Pz+7PWSl83Nfs3TwkN7Eynw4VFdp QliRn1Cbq45h2GaBg9aV9zLxB/Ic8PmumM9AoU3L+v07m0NRxgiLOhm5+uS/4BbxqvuYR4NWKmMYC0 P5tsJwYm7zJlsXOOuwTAoOTFWWJEeezR96MbbnMw/dzV1naZZi2Nak8L9d9NzRzDIJbhYe5QpJqyt+ g51/Xa9ujg7sASrkPm+7JJj8IK7WmN X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Allow test programs to determine their thread ID. Signed-off-by: Mark Brown Cc: Willy Tarreau --- tools/include/nolibc/nolibc.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index 3430667b0d24..fea8aace0119 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -1555,6 +1555,12 @@ pid_t sys_getpid(void) return my_syscall0(__NR_getpid); } +static __attribute__((unused)) +pid_t sys_gettid(void) +{ + return my_syscall0(__NR_gettid); +} + static __attribute__((unused)) int sys_gettimeofday(struct timeval *tv, struct timezone *tz) { @@ -2013,6 +2019,18 @@ pid_t getpid(void) return ret; } +static __attribute__((unused)) +pid_t gettid(void) +{ + pid_t ret = sys_gettid(); + + if (ret < 0) { + SET_ERRNO(-ret); + ret = -1; + } + return ret; +} + static __attribute__((unused)) int gettimeofday(struct timeval *tv, struct timezone *tz) {