Date: Tue, 7 Oct 2014 21:48:36 +0300 From: Aleksandr Rybalko <ray@ddteam.net> To: Tiwei Bie <btw@mail.ustc.edu.cn> Cc: freebsd-hackers@freebsd.org Subject: Re: [PATCH] hw.syscons.bell sysctl for vt (newcons) Message-ID: <20141007214836.919265ce46a3178e8cc92b47@ddteam.net> In-Reply-To: <1412483273-36665-1-git-send-email-btw@mail.ustc.edu.cn> References: <1412483273-36665-1-git-send-email-btw@mail.ustc.edu.cn>
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On Sun, 5 Oct 2014 12:27:53 +0800
Tiwei Bie <btw@mail.ustc.edu.cn> wrote:
> 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.
Hello Tiwei!
Commited in r272715.
Thanks a lot!
>
> ---
> 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
>
>
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--
Aleksandr Rybalko <ray@ddteam.net>
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