[PATCH] hw.syscons.bell sysctl for vt (newcons)

[Tiwei Bie]

On 2014-10-08 02:48:36 (Wednesday), Aleksandr Rybalko <ray at ddteam.net> wrote:

> On Sun,  5 Oct 2014 12:27:53 +0800
> Tiwei Bie <btw at 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!
> 

It's my pleasure! ;-)

Tiwei Bie

> > 
> > ---
> >  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 at ddteam.net>
> _______________________________________________
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