xref: /netbsd-src/sys/lib/libsa/panic.c (revision 3eb244d801190b3a7d8cd42193c38a77c1dbae1a)
1 /*	$NetBSD: panic.c,v 1.7 2011/07/17 20:54:52 joerg Exp $	*/
2 
3 /*-
4  *  Copyright (c) 1993 John Brezak
5  *  All rights reserved.
6  *
7  *  Redistribution and use in source and binary forms, with or without
8  *  modification, are permitted provided that the following conditions
9  *  are met:
10  *  1. Redistributions of source code must retain the above copyright
11  *     notice, this list of conditions and the following disclaimer.
12  *  2. Redistributions in binary form must reproduce the above copyright
13  *     notice, this list of conditions and the following disclaimer in the
14  *     documentation and/or other materials provided with the distribution.
15  *  3. The name of the author may not be used to endorse or promote products
16  *     derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 #include <sys/stdarg.h>
31 
32 #include "stand.h"
33 
34 __dead void
panic(const char * fmt,...)35 panic(const char *fmt, ...)
36 {
37 	va_list ap;
38 #ifndef LIBSA_NO_FS_CLOSE
39 	static int paniced;
40 
41 	if (!paniced) {
42 		paniced = 1;
43 		closeall();
44 	}
45 #endif
46 
47 	va_start(ap, fmt);
48 	vprintf(fmt, ap);
49 	printf("\n");
50 	va_end(ap);
51 	_rtt();
52 	/*NOTREACHED*/
53 }
54