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      1 /*	$NetBSD: rump.halt.c,v 1.5 2014/11/04 19:05:17 pooka Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2010 Antti Kantee.  All Rights Reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <rump/rumpuser_port.h>
     29 
     30 #include <sys/cdefs.h>
     31 #ifndef lint
     32 __RCSID("$NetBSD: rump.halt.c,v 1.5 2014/11/04 19:05:17 pooka Exp $");
     33 #endif /* !lint */
     34 
     35 #include <sys/types.h>
     36 
     37 #include <rump/rump.h>
     38 #include <rump/rumpclient.h>
     39 #include <rump/rump_syscalls.h>
     40 
     41 #include <err.h>
     42 #include <errno.h>
     43 #include <stdio.h>
     44 #include <stdlib.h>
     45 #include <string.h>
     46 #include <unistd.h>
     47 
     48 #define ARGFLAGS "dhn"
     49 
     50 #ifndef HAVE_GETPROGNAME
     51 #define getprogname() "rump_halt"
     52 #endif
     53 
     54 __dead static void
     55 usage(void)
     56 {
     57 
     58 	fprintf(stderr, "usage: %s [-" ARGFLAGS "]\n", getprogname());
     59 	exit(1);
     60 }
     61 
     62 int
     63 main(int argc, char *argv[])
     64 {
     65 	int ch, flags;
     66 
     67 	setprogname(argv[0]);
     68 	flags = 0;
     69 	while ((ch = getopt(argc, argv, ARGFLAGS)) != -1) {
     70 		switch (ch) {
     71 		case 'd':
     72 			flags |= RUMP_RB_DUMP;
     73 			break;
     74 		case 'h':
     75 			flags |= RUMP_RB_HALT;
     76 			break;
     77 		case 'n':
     78 			flags |= RUMP_RB_NOSYNC;
     79 			break;
     80 		default:
     81 			usage();
     82 			break;
     83 		}
     84 	}
     85 
     86 	if (optind != argc)
     87 		usage();
     88 
     89 	if (rumpclient_init() == -1)
     90 		err(1, "init failed");
     91 
     92 	if (rump_sys_reboot(flags, NULL) == -1)
     93 		err(1, "reboot");
     94 
     95 	return 0;
     96 }
     97