From patchwork Mon Nov 15 15:28:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 12619821 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 84B18C433FE for ; Mon, 15 Nov 2021 15:31:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6CFDC61B4C for ; Mon, 15 Nov 2021 15:31:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236712AbhKOPdg (ORCPT ); Mon, 15 Nov 2021 10:33:36 -0500 Received: from mail.kernel.org ([198.145.29.99]:52260 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236562AbhKOPcS (ORCPT ); Mon, 15 Nov 2021 10:32:18 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id CD9A06322A; Mon, 15 Nov 2021 15:29:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636990154; bh=KfpPJVWRO66fQ+lHM4RrxvOpwpsFMCzrx77xLw3EyNE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UzO9kuMR3amsz8zWLqxQR5Rav8yZ18PayZlHbK4A9xzshL3xHIA5FFQ8n26DDOw+q 1Vz2u8zoliWWi4IVPFnuZ8f2wOJgFJ2+0PYiU/3rMtDvBAjLCw1GO+GyrOx30DSyMz IpGf39n5dHH7FGyTKekwswdyne6+7LKi5irlhGFeBhMtVf3BAL503+j+898imFeRLH waKNJjrGE7An3DbvTI1iTOW7BUqZptNWnYst9ctipvcXQ4Lz99VNw8GyZBO0AWwM18 9uL9YOiHM0+aSjjnLlc6g6XZm1/oI4x9gB3BIhzs5BgOOBvpAnEvOKXcIHjNUr6H8S Z+WytsWrk6kjQ== 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 v6 07/37] tools/nolibc: Implement gettid() Date: Mon, 15 Nov 2021 15:28:05 +0000 Message-Id: <20211115152835.3212149-8-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211115152835.3212149-1-broonie@kernel.org> References: <20211115152835.3212149-1-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/pANAwAKASTWi3JdVIfQAcsmYgBhknyKztk/96WoNH8DozWFJeEEmhlhgkZPyKxVcLYr laul/l+JATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYZJ8igAKCRAk1otyXVSH0PizCA CBmHJnBHekMypAYVsg5ysJbuLOw9lwnfo/9tmiZWS99njPAcjgf9OB3iXvQVsA1ueFEwollVzRA9es NTvrHollvuYS4QSvY/I4KoGMC5rcbu0MCr3pgPozEHZxY91D2k2hOMir2iuU0N3TsCTFUWQwZnMy+k lFoHePlFiUHo2D44jQkovinlkYMsYXH4ReX6LySy3HyKdeoor8x2sx+LXl3/1HBwKIrRjJsPDu2PtA lfrRYcYe99iSdhzQY+iTH+Wn6ufcHf1NCDe6aZy8GC7QjiNxXjfi2Y+9jhzmd+mEZo6cyGY9GByKEb WF1emrzPoRbaEUzRM1SqXXP4Tw8K45 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) {