diff options
| author | ray <ray@FreeBSD.org> | 2014-10-07 18:47:53 +0000 |
|---|---|---|
| committer | ray <ray@FreeBSD.org> | 2014-10-07 18:47:53 +0000 |
| commit | 919850542e70c0c478f7f60a1b41d1e22d174a4f (patch) | |
| tree | 2cf783ae9c9a9f03fc220fac0f02feba9a8102f1 | |
| parent | a399990c478a05077c7a376d3ba3d49f420213e3 (diff) | |
| download | FreeBSD-src-919850542e70c0c478f7f60a1b41d1e22d174a4f.zip FreeBSD-src-919850542e70c0c478f7f60a1b41d1e22d174a4f.tar.gz | |
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
| -rw-r--r-- | sys/dev/vt/vt_core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/dev/vt/vt_core.c b/sys/dev/vt/vt_core.c index 67d4348..487a7ce 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; |
