From owner-svn-src-all@FreeBSD.ORG  Tue Oct  7 18:47:54 2014
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@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 9066DBED;
 Tue,  7 Oct 2014 18:47:54 +0000 (UTC)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 7BB3BD5E;
 Tue,  7 Oct 2014 18:47:54 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id s97Ils5W046676;
 Tue, 7 Oct 2014 18:47:54 GMT (envelope-from ray@FreeBSD.org)
Received: (from ray@localhost)
 by svn.freebsd.org (8.14.9/8.14.9/Submit) id s97Ilsbj046675;
 Tue, 7 Oct 2014 18:47:54 GMT (envelope-from ray@FreeBSD.org)
Message-Id: <201410071847.s97Ilsbj046675@svn.freebsd.org>
X-Authentication-Warning: svn.freebsd.org: ray set sender to ray@FreeBSD.org
 using -f
From: Aleksandr Rybalko <ray@FreeBSD.org>
Date: Tue, 7 Oct 2014 18:47:54 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r272715 - head/sys/dev/vt
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all/>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 07 Oct 2014 18:47:54 -0000

Author: ray
Date: Tue Oct  7 18:47:53 2014
New Revision: 272715
URL: https://svnweb.freebsd.org/changeset/base/272715

Log:
  Allow vt(4) to disable terminal bell with `sysctl kern.vt.bell_enable=0`,
  similar as syscons(4) do.
  
  Submitted by:	Tiwei Bie <btw@mail.ustc.edu.cn>
  MFC after:	2 weeks
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/dev/vt/vt_core.c

Modified: head/sys/dev/vt/vt_core.c
==============================================================================
--- head/sys/dev/vt/vt_core.c	Tue Oct  7 18:22:05 2014	(r272714)
+++ head/sys/dev/vt/vt_core.c	Tue Oct  7 18:47:53 2014	(r272715)
@@ -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 p
 {
 	u_int freq, period;
 
+	if (!vt_enable_bell)
+		return;
+
 	if ((param == 0) || ((param & 0xffff) == 0)) {
 		vtterm_bell(tm);
 		return;