Add panic(9).

Obtained from: NetBSD

2 files changed, 68 insertions, 2 deletions

diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
index 871152606eef..9e3b14807a03 100644
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -1,8 +1,8 @@
 #	$FreeBSD$
 
 MAN9=	at_shutdown.9 at_fork.9 at_exit.9 cd.9 copy.9 devfs_add_devswf.9 \
-	devfs_link.9 fetch.9 ifnet.9 intro.9 rtalloc.9 rtentry.9 scsiconf.9 \
-	sd.9 sleep.9 spl.9 st.9 store.9 style.9 timeout.9 uio.9
+	devfs_link.9 fetch.9 ifnet.9 intro.9 panic.9 rtalloc.9 rtentry.9 \
+	scsiconf.9 sd.9 sleep.9 spl.9 st.9 store.9 style.9 timeout.9 uio.9
 
 MLINKS+= copy.9 copyin.9 copy.9 copyout.9 copy.9 copystr.9 copy.9 copyinstr.9
 MLINKS+= fetch.9 fubyte.9 fetch.9 fusword.9 fetch.9 fuswintr.9 fetch.9 fuword.9
diff --git a/share/man/man9/panic.9 b/share/man/man9/panic.9
new file mode 100644
index 000000000000..8a09892f9752
--- /dev/null
+++ b/share/man/man9/panic.9
@@ -0,0 +1,66 @@
+.\"     $NetBSD: panic.9,v 1.2 1996/10/09 17:20:04 explorer Exp $
+.\"
+.\" Copyright (c) 1996 Michael Graff.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"      This product includes software developed by Michael Graff
+.\"      for the NetBSD Project.
+.\" 3. The name of the author may not be used to endorse or promote products
+.\"    derived from this software without specific prior written permission
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd August 11, 1995
+.Dt PANIC 9
+.Os
+.Sh NAME
+.Nm panic
+.Nd Bring down system on fatal error
+.Sh SYNOPSIS
+.Fd #include <sys/types.h>
+.Fd #include <sys/systm.h>
+.Ft void
+.Fn panic "const char *fmt, ..."
+.Sh DESCRIPTION
+The
+.Fn panic
+function terminates the running system.  The message
+.Fa fmt
+is a
+.Xr printf 3
+style format string.  The message is printed to the console and the location
+.Fa panicstr 
+is set to the address of the message text for retrieval from the OS
+core dump.
+.Pp
+If the kernel debugger is installed control is passed to it, otherwise
+an attempt to save a core dump of the OS to a configured dump device
+is made.
+.Pp
+If
+.Fn panic
+is called twice (from the disk sync routines, for example) the system is
+rebooted without syncing the disks.
+.Sh RETURN VALUES
+The
+.Fn panic
+function does not return.