C++ (Cpp) close_image_dir Beispiele

Beispiel #1

Datei: image.c Projekt: Open-Party/criu

int open_image_dir(char *dir)
{
	int fd, ret;

	fd = open(dir, O_RDONLY);
	if (fd < 0) {
		pr_perror("Can't open dir %s", dir);
		return -1;
	}

	ret = install_service_fd(IMG_FD_OFF, fd);
	close(fd);
	fd = ret;

	if (opts.img_parent) {
		ret = symlinkat(opts.img_parent, fd, CR_PARENT_LINK);
		if (ret < 0 && errno != EEXIST) {
			pr_perror("Can't link parent snapshot");
			goto err;
		}
	}

	return 0;

err:
	close_image_dir();
	return -1;
}

Beispiel #2

Datei: image.c Projekt: hqhq/criu

int open_image_dir(char *dir)
{
	int fd, ret;

	fd = open(dir, O_RDONLY);
	if (fd < 0) {
		pr_perror("Can't open dir %s", dir);
		return -1;
	}

	ret = install_service_fd(IMG_FD_OFF, fd);
	close(fd);
	fd = ret;

	if (opts.img_parent) {
		ret = symlinkat(opts.img_parent, fd, CR_PARENT_LINK);
		if (ret < 0 && errno != EEXIST) {
			pr_perror("Can't link parent snapshot");
			goto err;
		}

		if (opts.img_parent[0] == '/')
			pr_warn("Absolute paths for parent links "
					"may not work on restore!\n");
	}

	return 0;

err:
	close_image_dir();
	return -1;
}

Beispiel #3

Datei: image.c Projekt: shawnl/crtools

int open_image_dir(char *dir)
{
	int fd, ret;

	fd = open(dir, O_RDONLY);
	if (fd < 0) {
		pr_perror("Can't open dir %s", dir);
		return -1;
	}

	ret = install_service_fd(IMG_FD_OFF, fd);

	if (opts.img_parent) {
		int pfd;

		ret = symlinkat(opts.img_parent, fd, CR_PARENT_LINK);
		if (ret < 0) {
			pr_perror("Can't link parent snapshot.");
			goto err;
		}

		pfd = openat(fd, CR_PARENT_LINK, O_RDONLY);
		if (pfd < 0) {
			pr_perror("Can't open parent snapshot.");
			goto err;
		}

		ret = install_service_fd(PARENT_FD_OFF, pfd);

		close(pfd);
	}

	close(fd);

	return ret;

err:
	close_image_dir();
	return -1;
}

Beispiel #4

Datei: image.c Projekt: kunalkushwaha/crtools

int open_image_dir(void)
{
	int fd, ret;

	fd = open(".", O_RDONLY);
	if (fd < 0) {
		pr_perror("Can't open cwd");
		return -1;
	}

	ret = install_service_fd(IMG_FD_OFF, fd);

	close(fd);

	if (opts.img_parent) {
		ret = symlink(opts.img_parent, CR_PARENT_LINK);
		if (ret < 0) {
			pr_perror("Can't link parent snapshot.");
			goto err;
		}

		fd = open(CR_PARENT_LINK, O_RDONLY);
		if (fd < 0) {
			pr_perror("Can't open parent snapshot.");
			goto err;
		}

		ret = install_service_fd(PARENT_FD_OFF, fd);

		close(fd);
	}

	return ret;

err:
	close_image_dir();
	return -1;
}