1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/sysmacros.h>
#include "zdtmtst.h"
const char *test_doc = "Check that we can migrate with a device special file "
"open and unlinked before migration";
const char *test_author = "Roman Kagan <rkagan@parallels.com>";
char *filename;
TEST_OPTION(filename, string, "file name", 1);
int main(int argc, char **argv)
{
int fd;
struct stat st;
/* /dev/null params - sure to exist in a VPS */
mode_t mode = S_IFCHR | 0700;
dev_t dev = makedev(1, 3);
test_init(argc, argv);
if (mknod(filename, mode, dev)) {
pr_perror("can't make device file \"%s\"", filename);
exit(1);
}
fd = open(filename, O_RDWR);
if (fd < 0) {
pr_perror("can't open %s", filename);
goto out;
}
if (unlink(filename) < 0) {
pr_perror("can't unlink %s", filename);
goto out;
}
test_daemon();
test_waitsig();
if (fstat(fd, &st) < 0) {
fail("can't stat %s", filename);
goto out;
}
if (st.st_mode != mode || st.st_rdev != dev) {
fail("%s is no longer the device file we had", filename);
test_msg("mode %x want %x, dev %llx want %llx\n", st.st_mode, mode, (long long unsigned)st.st_rdev,
(long long unsigned)dev);
goto out;
}
if (close(fd) < 0) {
fail("can't close %s", filename);
goto out;
}
if (unlink(filename) != -1 || errno != ENOENT) {
fail("file %s should have been deleted before migration: unlink", filename);
goto out;
}
pass();
out:
close(fd);
unlink(filename);
return 0;
}
|
