1.\" $NetBSD: panic.9,v 1.2 1996/10/09 17:20:04 explorer Exp $
2.\"
3.\" Copyright (c) 1996 Michael Graff.
4.\" All rights reserved.
5.\"
6.\" Redistribution and use in source and binary forms, with or without
7.\" modification, are permitted provided that the following conditions
8.\" are met:
9.\" 1. Redistributions of source code must retain the above copyright
10.\" notice, this list of conditions and the following disclaimer.
11.\" 2. Redistributions in binary form must reproduce the above copyright
12.\" notice, this list of conditions and the following disclaimer in the
13.\" documentation and/or other materials provided with the distribution.
14.\" 3. All advertising materials mentioning features or use of this software
15.\" must display the following acknowledgement:
16.\" This product includes software developed by Michael Graff
17.\" for the NetBSD Project.
18.\" 3. The name of the author may not be used to endorse or promote products
19.\" derived from this software without specific prior written permission
20.\"
21.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31.\"
32.Dd August 11, 1995
33.Dt PANIC 9
34.Os
35.Sh NAME
36.Nm panic
37.Nd Bring down system on fatal error
38.Sh SYNOPSIS
39.Fd #include <sys/types.h>
40.Fd #include <sys/systm.h>
41.Ft void
42.Fn panic "const char *fmt, ..."
43.Sh DESCRIPTION
44The
45.Fn panic
46function terminates the running system. The message
47.Fa fmt
48is a
49.Xr printf 3
50style format string. The message is printed to the console and the location
51.Fa panicstr
52is set to the address of the message text for retrieval from the OS
53core dump.
54.Pp
55If the kernel debugger is installed control is passed to it, otherwise
56an attempt to save a core dump of the OS to a configured dump device
57is made.
58.Pp
59If
60.Fn panic
61is called twice (from the disk sync routines, for example) the system is
62rebooted without syncing the disks.
63.Sh RETURN VALUES
64The
65.Fn panic
66function does not return.
2.\"
3.\" Copyright (c) 1996 Michael Graff.
4.\" All rights reserved.
5.\"
6.\" Redistribution and use in source and binary forms, with or without
7.\" modification, are permitted provided that the following conditions
8.\" are met:
9.\" 1. Redistributions of source code must retain the above copyright
10.\" notice, this list of conditions and the following disclaimer.
11.\" 2. Redistributions in binary form must reproduce the above copyright
12.\" notice, this list of conditions and the following disclaimer in the
13.\" documentation and/or other materials provided with the distribution.
14.\" 3. All advertising materials mentioning features or use of this software
15.\" must display the following acknowledgement:
16.\" This product includes software developed by Michael Graff
17.\" for the NetBSD Project.
18.\" 3. The name of the author may not be used to endorse or promote products
19.\" derived from this software without specific prior written permission
20.\"
21.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31.\"
32.Dd August 11, 1995
33.Dt PANIC 9
34.Os
35.Sh NAME
36.Nm panic
37.Nd Bring down system on fatal error
38.Sh SYNOPSIS
39.Fd #include <sys/types.h>
40.Fd #include <sys/systm.h>
41.Ft void
42.Fn panic "const char *fmt, ..."
43.Sh DESCRIPTION
44The
45.Fn panic
46function terminates the running system. The message
47.Fa fmt
48is a
49.Xr printf 3
50style format string. The message is printed to the console and the location
51.Fa panicstr
52is set to the address of the message text for retrieval from the OS
53core dump.
54.Pp
55If the kernel debugger is installed control is passed to it, otherwise
56an attempt to save a core dump of the OS to a configured dump device
57is made.
58.Pp
59If
60.Fn panic
61is called twice (from the disk sync routines, for example) the system is
62rebooted without syncing the disks.
63.Sh RETURN VALUES
64The
65.Fn panic
66function does not return.