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Initial revision

/*	$OpenBSD: exit.c,v 1.4 2005/05/24 20:38:20 uwe Exp $	*/
/*	$NetBSD: exit.c,v 1.11 1996/12/01 20:22:19 pk Exp $	*/

/*-
 *  Copyright (c) 1993 John Brezak
 *  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. 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/stdarg.h>

#include "libsa.h"

/* unixcons.c */
extern struct termios tioc;
extern int            tioc_valid;

__dead void
panic(const char *fmt, ...)
{
	extern __dead void uexit(int);
	extern void closeall(void);
	va_list ap;
	static int paniced;

	if (!paniced) {
		paniced = 1;
		closeall();
	}

	va_start(ap, fmt);
	vprintf(fmt, ap);
	printf("\n");
	va_end(ap);
#if 0
	_rtt();
#else
	uexit(0);
#endif
	/*NOTREACHED*/
}

void
exit(void)
{
	if (tioc_valid)
		(void)tcsetattr(0, TCSADRAIN, &tioc);
	uexit(0);
}