Date: Tue, 7 Oct 2014 18:47:54 +0000 (UTC) From: Aleksandr Rybalko <ray@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r272715 - head/sys/dev/vt Message-ID: <201410071847.s97Ilsbj046675@svn.freebsd.org>
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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;
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