From owner-freebsd-hackers@FreeBSD.ORG Sun Oct 5 04:28:11 2014 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 53B95CDB for ; Sun, 5 Oct 2014 04:28:11 +0000 (UTC) Received: from ustc.edu.cn (email6.ustc.edu.cn [IPv6:2001:da8:d800::8]) by mx1.freebsd.org (Postfix) with ESMTP id 8268ED95 for ; Sun, 5 Oct 2014 04:28:09 +0000 (UTC) Received: from freebsd.my.domain (unknown [58.211.218.74]) by newmailweb.ustc.edu.cn (Coremail) with SMTP id LkAmygAXiT3OyDBUGOomAA--.5296S2; Sun, 05 Oct 2014 12:28:06 +0800 (CST) From: Tiwei Bie To: freebsd-hackers@freebsd.org Subject: [PATCH] hw.syscons.bell sysctl for vt (newcons) Date: Sun, 5 Oct 2014 12:27:53 +0800 Message-Id: <1412483273-36665-1-git-send-email-btw@mail.ustc.edu.cn> X-Mailer: git-send-email 2.1.0 X-CM-TRANSID: LkAmygAXiT3OyDBUGOomAA--.5296S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Ar17CFy3CF1kWFWUtw1fZwb_yoW8Gw1Dpa 1DArWjvrZ5trn5ur1fXrsYy3W3Aws7trWxGFyUA3y0yFZYyrs5W3W8tFWFqFZ8Xr4vka4a vrWrZ3s5W3yUJFJanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvC14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26r4j6ryUM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4j 6F4UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Cr 1j6rxdM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj 6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr 0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVAFwVW8 XwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwCFI7km07C267AKxVWUXV WUAwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF 1VAFwI0_Jrv_JF1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6x IIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6rWUJVWrZr1UMIIF 0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2Kf nxnUUI43ZEXa7VUUhF4JUUUUU== X-CM-SenderInfo: xewzqzxdloh3xvwfhvlgxou0/1tbiAQUHAVQhl8CP8QAHsZ Cc: Tiwei Bie X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 05 Oct 2014 04:28:11 -0000 Hi All, I think the hw.syscons.bell sysctl provided by syscons is a very convenient method to disable the sound alert in FreeBSD. But I haven't found the similar interface in vt. So I have written a patch to implement the sysctl 'kern.vt.enable_bell' which is similar to 'hw.syscons.bell' for vt. --- sys/dev/vt/vt_core.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/dev/vt/vt_core.c b/sys/dev/vt/vt_core.c index 2dd7e3f..a8cdedb 100644 --- a/sys/dev/vt/vt_core.c +++ b/sys/dev/vt/vt_core.c @@ -120,6 +120,7 @@ const struct terminal_class vt_termclass = { static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters"); VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)"); +VT_SYSCTL_INT(enable_bell, 1, "Enable bell"); VT_SYSCTL_INT(debug, 0, "vt(9) debug level"); VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode"); VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend"); @@ -904,6 +905,9 @@ vtterm_bell(struct terminal *tm) struct vt_window *vw = tm->tm_softc; struct vt_device *vd = vw->vw_device; + if (!vt_enable_bell) + return; + if (vd->vd_flags & VDF_QUIET_BELL) return; @@ -915,6 +919,9 @@ vtterm_beep(struct terminal *tm, u_int param) { u_int freq, period; + if (!vt_enable_bell) + return; + if ((param == 0) || ((param & 0xffff) == 0)) { vtterm_bell(tm); return; -- 2.1.0