From patchwork Thu Jun 11 19:44:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 11600751 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AE8676A2 for ; Thu, 11 Jun 2020 20:27:05 +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 85A3D20720 for ; Thu, 11 Jun 2020 20:27:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="PR+yR1z9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 85A3D20720 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:47718 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jjTmy-0000XQ-O8 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 11 Jun 2020 16:27:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55730) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jjTA9-0001Ou-5f for qemu-devel@nongnu.org; Thu, 11 Jun 2020 15:46:57 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:41606 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jjTA7-0001M4-EU for qemu-devel@nongnu.org; Thu, 11 Jun 2020 15:46:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591904814; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CmnoTWG/btVuCmK6Ik7UOefkyk2LvbJKaqZOS4PyRXs=; b=PR+yR1z9rI5aRgWY3iXHvj+6OJQHRFcRvQrMgvrHppoc2WsvrNMa7rste+jMkuvJRQhM1y az+zWgguE2ey+sZBImrC7cWD25Spf4zzIkwQwGXFfSbk5fxopUEn8I/wpV6cNPICqI3kbc k48IrDSfeaAwzpQWKzFvehqCMECrNWk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-193-EpW8h2KiOeujYIFYA0AugA-1; Thu, 11 Jun 2020 15:46:52 -0400 X-MC-Unique: EpW8h2KiOeujYIFYA0AugA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9777C1940920; Thu, 11 Jun 2020 19:46:48 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3DD1560E3E; Thu, 11 Jun 2020 19:46:48 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 076/115] util/oslib: Returns the real thread identifier on FreeBSD and NetBSD Date: Thu, 11 Jun 2020 15:44:10 -0400 Message-Id: <20200611194449.31468-77-pbonzini@redhat.com> In-Reply-To: <20200611194449.31468-1-pbonzini@redhat.com> References: <20200611194449.31468-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.81; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/11 03:29:33 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: David Carlier Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: David Carlier getpid is good enough in a mono thread context, however thr_self/_lwp_self reflects the real current thread identifier from a given process. Signed-off-by: David Carlier Signed-off-by: Paolo Bonzini Signed-off-by: David Carlier --- 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