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| author | ray <ray@FreeBSD.org> | 2015-09-14 14:42:06 +0000 |
|---|---|---|
| committer | ray <ray@FreeBSD.org> | 2015-09-14 14:42:06 +0000 |
| commit | f1f74e3a0d58e4111a95270ae4d07a516f978489 (patch) | |
| tree | d68a5c29a2751f1bf06bd64d3ef55a1fa5db764c /sys/dev | |
| parent | 20b0edd21b38b16dcf60f6e49b50506e4dd82bbe (diff) | |
| download | FreeBSD-src-f1f74e3a0d58e4111a95270ae4d07a516f978489.zip FreeBSD-src-f1f74e3a0d58e4111a95270ae4d07a516f978489.tar.gz | |
MFC: r272715
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>
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'sys/dev')
| -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 b661a0f..cc85e1c 100644 --- a/sys/dev/vt/vt_core.c +++ b/sys/dev/vt/vt_core.c @@ -121,6 +121,7 @@ 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"); @@ -935,6 +936,9 @@ 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; @@ -946,6 +950,9 @@ 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; |
