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: 12576141 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 F2E72C433EF for ; Thu, 21 Oct 2021 18:19:14 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BEE3A61ABB for ; Thu, 21 Oct 2021 18:19:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BEE3A61ABB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=aEAH/DzsUYLjXjzVij7HM9hBjA7HonlUFgvJ1qRHVZ4=; b=iNMNYiDPvL2b9d hrx+UcHb86xDOEIg0NkFR44IkQ7bUE0a5Hg9Zo5NU86okCG/uONVV4TUpLkFdgisuciDXhR8CJRNc M8lMJTCr2Pf/NJSDQLmQK44WCxBLSe7E3wTxQzseAT5kdKVukPmAGc6I7qcdEVZn22/2Rw3KwZft7 xB7igobMxaPkF4YVnL46ckusf16EfHdHiCFrh2/JEuFQpqVkl1Dk6rCn77OMmH13i6mV95kuhpu3b K5RZM8/2Uj0hU9sBxHpEsVmBMXJnSbOB9nx4pgTYRjNROem9e6gmMjz9vm/Egza3aymp6rh6ie3iA P8zjQiX1fLk0xlp8GP+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mdcd4-008g8i-I7; Thu, 21 Oct 2021 18:17:27 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mdcU7-008cFO-SC for linux-arm-kernel@lists.infradead.org; Thu, 21 Oct 2021 18:08:13 +0000 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211021_110811_974283_8C5E2CDE X-CRM114-Status: UNSURE ( 8.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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) {