Fix checkpt's thaw failure error message.
[dragonfly.git] / usr.bin / checkpt / checkpt.c
CommitLineData
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1/*-
2 * Copyright (c) 2003 Kip Macy All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
36372108 25 * $DragonFly: src/usr.bin/checkpt/checkpt.c,v 1.5 2007/07/24 19:44:18 dillon Exp $
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26 */
27
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28#include <sys/signal.h>
29#include <sys/syscall.h>
30#include <sys/types.h>
31#include <sys/stat.h>
32#include <sys/module.h>
0ba6fbbf 33#include <sys/checkpoint.h>
3e8d64bf 34
f904255f 35#include <fcntl.h>
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36#include <signal.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40#include <unistd.h>
41#include <string.h>
cfe35a67 42#include <errno.h>
f904255f 43
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44static
45void
46usage(const char *prg)
47{
36372108 48 fprintf(stderr, "%s -r file.ckpt\n", prg);
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49 exit(1);
50}
51
52int
53main(int ac, char **av)
54{
55 int fd;
56 int error;
57 char ch;
58 const char *filename = NULL;
59
60 while ((ch = getopt(ac, av, "r:")) != -1) {
61 switch(ch) {
62 case 'r':
63 filename = optarg;
64 break;
65 default:
66 usage(av[0]);
67 }
68 }
69 if (filename == NULL)
70 usage(av[0]);
71
72 fd = open(filename, O_RDONLY);
73 if (fd < 0) {
8eba2c42 74 fprintf(stderr, "unable to open %s\n", filename);
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75 exit(1);
76 }
0ba6fbbf 77 error = sys_checkpoint(CKPT_THAW, fd, -1, 1);
f904255f 78 if (error)
cfe35a67 79 fprintf(stderr, "thaw failed error %d %s\n", errno, strerror(errno));
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80 else
81 fprintf(stderr, "Unknown error restoring checkpoint\n");
82 return(5);
83}