From patchwork Sun May 29 21:50:31 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Andreas_F=C3=A4rber?= X-Patchwork-Id: 97855 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id F1AA1B6F81 for ; Mon, 30 May 2011 07:50:47 +1000 (EST) Received: from localhost ([::1]:53806 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QQnsh-0006Gs-Np for incoming@patchwork.ozlabs.org; Sun, 29 May 2011 17:50:43 -0400 Received: from eggs.gnu.org ([140.186.70.92]:49046) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QQnsa-0006GW-5t for qemu-devel@nongnu.org; Sun, 29 May 2011 17:50:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QQnsZ-00046I-6n for qemu-devel@nongnu.org; Sun, 29 May 2011 17:50:36 -0400 Received: from fmmailgate03.web.de ([217.72.192.234]:46353) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QQnsZ-00046E-0i; Sun, 29 May 2011 17:50:35 -0400 Received: from smtp08.web.de ( [172.20.5.216]) by fmmailgate03.web.de (Postfix) with ESMTP id 122A118F98CD9; Sun, 29 May 2011 23:50:33 +0200 (CEST) Received: from [87.173.127.118] (helo=af.local) by smtp08.web.de with asmtp (WEB.DE 4.110 #2) id 1QQnsW-0002wG-00; Sun, 29 May 2011 23:50:32 +0200 From: =?UTF-8?q?Andreas=20F=C3=A4rber?= To: qemu-devel@nongnu.org Date: Sun, 29 May 2011 23:50:31 +0200 Message-Id: <1306705831-59385-1-git-send-email-andreas.faerber@web.de> X-Mailer: git-send-email 1.7.5.3 MIME-Version: 1.0 X-Sender: Andreas.Faerber@web.de X-Provags-ID: V01U2FsdGVkX1+Dm9dauFRMh1oA+zcFgtwMe7oJm72z2s7LkSYU mHGi9HBoZvB7gCvlavJwPv7YW4/kIz1Jo1HZoMWmq0JNfI0U7C AnkINlpzu/y2t3a48+HQ== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4-2.6 X-Received-From: 217.72.192.234 Cc: qemu-trivial@nongnu.org, =?UTF-8?q?Andreas=20F=C3=A4rber?= Subject: [Qemu-devel] [PATCH] Use SIGIO with caution X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org BeOS and Haiku don't define SIGIO. When undefined, it won't arrive and doesn't need to be blocked. Signed-off-by: Andreas Färber --- cpus.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/cpus.c b/cpus.c index 1fc34b7..42af291 100644 --- a/cpus.c +++ b/cpus.c @@ -395,7 +395,9 @@ static int qemu_signal_init(void) pthread_sigmask(SIG_UNBLOCK, &set, NULL); sigemptyset(&set); +#ifdef SIGIO sigaddset(&set, SIGIO); +#endif sigaddset(&set, SIGALRM); sigaddset(&set, SIG_IPI); sigaddset(&set, SIGBUS); @@ -408,7 +410,9 @@ static int qemu_signal_init(void) * We need to process timer signals synchronously to avoid a race * between exit_request check and KVM vcpu entry. */ +#ifdef SIGIO sigaddset(&set, SIGIO); +#endif sigaddset(&set, SIGALRM); } #endif @@ -449,12 +453,16 @@ static void qemu_kvm_init_cpu_signals(CPUState *env) #else sigemptyset(&set); sigaddset(&set, SIG_IPI); +#ifdef SIGIO sigaddset(&set, SIGIO); +#endif sigaddset(&set, SIGALRM); pthread_sigmask(SIG_BLOCK, &set, NULL); pthread_sigmask(SIG_BLOCK, NULL, &set); +#ifdef SIGIO sigdelset(&set, SIGIO); +#endif sigdelset(&set, SIGALRM); #endif sigdelset(&set, SIG_IPI);