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-rw-r--r--lib/libc/gen/sysctl.319
1 files changed, 17 insertions, 2 deletions
diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3
index c0aaf25edb1..3d25c7717ad 100644
--- a/lib/libc/gen/sysctl.3
+++ b/lib/libc/gen/sysctl.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: sysctl.3,v 1.182 2008/08/22 12:02:33 brad Exp $
+.\" $OpenBSD: sysctl.3,v 1.183 2008/11/08 01:17:52 ckuethe Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
@@ -27,7 +27,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd $Mdocdate: August 22 2008 $
+.Dd $Mdocdate: November 8 2008 $
.Dt SYSCTL 3
.Os
.Sh NAME
@@ -176,6 +176,7 @@ More information is also available in
.It Dv DBCTL_PANIC No " integer yes"
.It Dv DBCTL_RADIX No " integer yes"
.It Dv DBCTL_TABSTOP No " integer yes"
+.It Dv DBCTL_TRIGGER No " integer yes"
.El
.Bl -tag -width "123456"
.It Dv DBCTL_CONSOLE
@@ -185,6 +186,11 @@ When running with a
.Xr securelevel 7
greater than 0,
this variable may not be raised.
+This variable also changes the behavior of
+.Va machdep.kbdreset :
+when DB_CONSOLE is set, the reset key sequence will cause the kernel to enter
+.Xr ddb 4
+rather than triggering a system shutdown.
.It Dv DBCTL_LOG
When set, ddb output is also logged in the kernel message buffer.
.It Dv DBCTL_MAXLINE
@@ -218,6 +224,15 @@ Width of a tab stop in
This variable is also available as the ddb
.Dv $tabstops
variable.
+.It Dv DBCTL_TRIGGER
+When DBCTL_CONSOLE is set, writing to DBCTL_TRIGGER will cause the system
+to enter
+.Xr ddb 4 .
+If
+.Xr securelevel 7
+is greater than 0 the process writing to this variable must be running
+on the console in order to enter
+.Xr ddb 4 .
.El
.Ss CTL_DEBUG
The debugging variables vary from system to system.