From patchwork Mon Oct 18 19:08:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 12567771 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 CBB48C433F5 for ; Mon, 18 Oct 2021 19:10:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B3F586128A for ; Mon, 18 Oct 2021 19:10:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231811AbhJRTMz (ORCPT ); Mon, 18 Oct 2021 15:12:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:38120 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229924AbhJRTMz (ORCPT ); Mon, 18 Oct 2021 15:12:55 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2395D61074; Mon, 18 Oct 2021 19:10:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1634584243; bh=KfpPJVWRO66fQ+lHM4RrxvOpwpsFMCzrx77xLw3EyNE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mvUpg4p6pamXBSs6Ds3tSb3NexAcu2Ki6eetnqzQNoEjHcWZy3mGU97bHeCYXjt46 6B+cqesZRiCYOztGzl4fBu3Po7DWfFPi5VwlXJtiRMn2iUzTGSm6NdNMrS0KF0u96T 3lEuMyT0486644/srU+L40+yzbV6yMJcCf2M/QWImPpdHdmZ3FRz3cl6TOoRa4897G i5qS5uMaInEXWDjENKC7D4NXMoGaPz+5WphxTeZLlSvA3Eue32g+Hk1W30vbEQQ/D4 Mt86P2AfBHcFAvDUko13HM/GEzpqXXBEWUJ1Mtr54gJd7wMFyGdxYRX743OWV6UFcl OivlrFFIynzdQ== 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 v2 14/42] tools/nolibc: Implement gettid() Date: Mon, 18 Oct 2021 20:08:30 +0100 Message-Id: <20211018190858.2119209-15-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211018190858.2119209-1-broonie@kernel.org> References: <20211018190858.2119209-1-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/pANAwAKASTWi3JdVIfQAcsmYgBhbcYyztk/96WoNH8DozWFJeEEmhlhgkZPyKxVcLYr laul/l+JATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYW3GMgAKCRAk1otyXVSH0NDwB/ 0aX+yGRn/Hg83vdrO/dvrFLDM+D/2pog6f8Ci3ib6sTVMTsihO0++spuuuXexdTRAfPVAF9nWOaogw M2zEWwhD5bOyE3RPS/I2wmAbdS/WIe56fLqR6e2tmcm9mM0cs8N0k6uNu37M3o88Y5UxHDhrs0k/Hd URQ5FqbRGf6FH17/kUv89K9pk9JIDTr3ahEIDvQfvF370jjxfbqB32ndFiFdiUIgGMbGR0mOVbtMFQ a3g7PxGMNyaqPXil0kj6XWtr1XyvEA4X1dFAl1bznSknxgdKcLPG44neKJVPvtj/e4nyg47GGWaIAy M4CTgtYXAIN775TNfPbt1iTNE2BGEt 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) {