From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D69EBC433E0 for ; Tue, 26 May 2020 14:24:33 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 A9835206C3 for ; Tue, 26 May 2020 14:24:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A9835206C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=netbsd.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49220 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jdaVM-0001hG-PV for qemu-devel@archiver.kernel.org; Tue, 26 May 2020 10:24:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55298) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jdZSQ-0006Fm-HS; Tue, 26 May 2020 09:17:26 -0400 Received: from mail.netbsd.org ([199.233.217.200]:60308) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jdZSP-0003Ez-7Y; Tue, 26 May 2020 09:17:26 -0400 Received: from [IPv6:::1] (localhost [127.0.0.1]) by mail.netbsd.org (Postfix) with ESMTP id 11E5E84C8B; Tue, 26 May 2020 13:17:18 +0000 (UTC) Subject: Re: [PATCH 1/1] util/oslib: Returns real thread identifier on FreeBSD and NetBSD To: David CARLIER , Thomas Huth , pbonzini@readhat.com, qemu-trivial@nongnu.org References: From: Kamil Rytarowski Autocrypt: addr=kamil@netbsd.org; 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NetBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=199.233.217.200; envelope-from=kamil@netbsd.org; helo=mail.netbsd.org X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/26 07:57:51 X-ACL-Warn: Detected OS = ??? X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-Mailman-Approved-At: Tue, 26 May 2020 10:21:34 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kamil Rytarowski , qemu-devel@nongnu.org, bauerchen@tencent.com, Li-Wen Hsu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Kamil Rytarowski On 26.05.2020 09:29, David CARLIER wrote: > From 792fbcd9114f43bd80fd1ef5b25cd9935a536f9f Mon Sep 17 00:00:00 2001 > From: David Carlier > Date: Tue, 26 May 2020 08:25:26 +0100 > Subject: [PATCH] util/oslib: Returns the real thread identifier on FreeBSD and > NetBSD > > getpid is good enough in a mono thread context, however > thr_self/_lwp_self reflects the real current thread identifier > from a given process. > --- > util/oslib-posix.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/util/oslib-posix.c b/util/oslib-posix.c > index 062236a1ab..916f1be224 100644 > --- a/util/oslib-posix.c > +++ b/util/oslib-posix.c > @@ -48,11 +48,13 @@ > #ifdef __FreeBSD__ > #include > #include > +#include > #include > #endif > > #ifdef __NetBSD__ > #include > +#include > #endif > > #include "qemu/mmap-alloc.h" > @@ -84,6 +86,13 @@ int qemu_get_thread_id(void) > { > #if defined(__linux__) > return syscall(SYS_gettid); > +#elif defined(__FreeBSD__) > + /* thread id is up to INT_MAX */ > + long tid; > + thr_self(&tid); > + return (int)tid; > +#elif defined(__NetBSD__) > + return _lwp_self(); > #else > return getpid(); > #endif >