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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
1.3 KiB
C
73 lines
1.3 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't migrate with a file open in a "
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"directory which has been mounted over by another "
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"filesystem";
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const char *test_author = "Roman Kagan <rkagan@parallels.com>";
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char *dirname;
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TEST_OPTION(dirname, string, "directory 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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char path[256];
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test_init(argc, argv);
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if (snprintf(path, sizeof(path), "%s/foo", dirname) >= sizeof(path)) {
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pr_perror("directory name \"%s\"is too long", dirname);
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exit(1);
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}
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if (mkdir(dirname, 0700)) {
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pr_perror("can't make directory %s", dirname);
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exit(1);
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}
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fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0644);
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if (fd < 0) {
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pr_perror("can't open %s", path);
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goto rmdir;
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}
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if (mount("rien", dirname, "tmpfs", 0, 0) < 0) {
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pr_perror("can't mount tmpfs over %s", dirname);
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goto cleanup;
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}
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test_daemon();
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test_waitsig();
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if (umount(dirname) < 0) {
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fail("can't umount %s: %m", dirname);
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goto cleanup;
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}
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if (close(fd) < 0) {
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fail("can't close %s: %m", path);
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goto unlink;
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}
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if (unlink(path) < 0) {
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fail("can't unlink %s: %m", path);
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goto rmdir;
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}
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pass();
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goto rmdir;
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cleanup:
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close(fd);
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unlink:
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unlink(path);
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rmdir:
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rmdir(dirname);
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return 0;
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}
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