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https://github.com/checkpoint-restore/criu.git
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2e13f1f029
Move static and transition into zdtm top. We can't move all the micro tests themselves, as we need to distinguish static from non static (zdtm.py makes additional checks on static ones). Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "zdtmtst.h"
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const char *test_doc = "Check that we can migrate with a device special file "
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"open and unlinked before migration";
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const char *test_author = "Roman Kagan <rkagan@parallels.com>";
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char *filename;
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TEST_OPTION(filename, string, "file name", 1);
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int main(int argc, char **argv)
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{
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int fd;
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struct stat st;
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/* /dev/null params - sure to exist in a VPS */
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mode_t mode = S_IFCHR | 0700;
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dev_t dev = makedev(1, 3);
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test_init(argc, argv);
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if (mknod(filename, mode, dev)) {
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pr_perror("can't make device file \"%s\"", filename);
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exit(1);
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}
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fd = open(filename, O_RDWR);
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if (fd < 0) {
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pr_perror("can't open %s", filename);
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goto out;
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}
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if (unlink(filename) < 0) {
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pr_perror("can't unlink %s", filename);
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goto out;
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}
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test_daemon();
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test_waitsig();
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if (fstat(fd, &st) < 0) {
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fail("can't stat %s: %m", filename);
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goto out;
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}
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if (st.st_mode != mode || st.st_rdev != dev) {
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fail("%s is no longer the device file we had", filename);
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test_msg("mode %x want %x, dev %x want %x\n",
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st.st_mode, mode, st.st_rdev, dev);
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goto out;
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}
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if (close(fd) < 0) {
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fail("can't close %s: %m", filename);
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goto out;
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}
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if (unlink(filename) != -1 || errno != ENOENT) {
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fail("file %s should have been deleted before migration: unlink: %m\n");
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goto out;
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}
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pass();
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out:
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close(fd);
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unlink(filename);
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return 0;
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}
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