/*      $NetBSD: rump.halt.c,v 1.5 2014/11/04 19:05:17 pooka Exp $      */

/*-
* Copyright (c) 2010 Antti Kantee.  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.
*
* 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 OR CONTRIBUTORS 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 <rump/rumpuser_port.h>

#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: rump.halt.c,v 1.5 2014/11/04 19:05:17 pooka Exp $");
#endif /* !lint */

#include <sys/types.h>

#include <rump/rump.h>
#include <rump/rumpclient.h>
#include <rump/rump_syscalls.h>

#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#define ARGFLAGS "dhn"

#ifndef HAVE_GETPROGNAME
#define getprogname() "rump_halt"
#endif

__dead static void
usage(void)
{

       fprintf(stderr, "usage: %s [-" ARGFLAGS "]\n", getprogname());
       exit(1);
}

int
main(int argc, char *argv[])
{
       int ch, flags;

       setprogname(argv[0]);
       flags = 0;
       while ((ch = getopt(argc, argv, ARGFLAGS)) != -1) {
               switch (ch) {
               case 'd':
                       flags |= RUMP_RB_DUMP;
                       break;
               case 'h':
                       flags |= RUMP_RB_HALT;
                       break;
               case 'n':
                       flags |= RUMP_RB_NOSYNC;
                       break;
               default:
                       usage();
                       break;
               }
       }

       if (optind != argc)
               usage();

       if (rumpclient_init() == -1)
               err(1, "init failed");

       if (rump_sys_reboot(flags, NULL) == -1)
               err(1, "reboot");

       return 0;
}