freebsd-dev/stand/libsa/panic.c
Warner Losh 86bb84d576 Split panic routine
Split panic routine so that the 'Hit Any Key to continue' behavior can
be overriden.

Sponsored by: Netflix
2018-01-26 17:13:00 +00:00

67 lines
2.3 KiB
C

/*
* $NetBSD: panic.c,v 1.2 1997/03/22 01:48:36 thorpej Exp $
*/
/*-
* Copyright (c) 1996
* Matthias Drochner. 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 for the NetBSD Project
* by Matthias Drochner.
* 4. 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.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stand.h>
#include <machine/stdarg.h>
/*
* Boot loaders and other standalone programs that wish to have a
* different panic policy can provide their own panic_action rotuine.
*/
__weak_symbol void
panic_action(void)
{
printf("--> Press a key on the console to reboot <--\n");
getchar();
printf("Rebooting...\n");
exit(1);
}
void
panic(const char *fmt,...)
{
va_list ap;
printf("panic: ");
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
printf("\n");
panic_action();
}