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https://github.com/checkpoint-restore/criu.git
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df81b884d4
...and fix misprints that weren't caught before. I guess, I never fixed that much (possible) bugs by one commit, heh. Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com> 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 %lx want %lx\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", filename);
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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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