sys/lib/libsa/panic.c

   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
  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 }