C++ (Cpp) utsns_entry__free_unpacked 예제들

예제 #1

파일: uts_ns.c 프로젝트: OSLL/pmover

int prepare_utsns(int pid)
{
	int fd, ret;
	UtsnsEntry *ue;
	struct sysctl_req req[3] = {
		{ "kernel/hostname" },
		{ "kernel/domainname" },
		{ },
	};

	fd = open_image_ro(CR_FD_UTSNS, pid);
	if (fd < 0)
		return -1;

	ret = pb_read_one(fd, &ue, PB_UTSNS);
	if (ret < 0)
		goto out;

	req[0].arg = ue->nodename;
	req[0].type = CTL_STR(strlen(ue->nodename));
	req[1].arg = ue->domainname;
	req[1].type = CTL_STR(strlen(ue->domainname));

	ret = sysctl_op(req, CTL_WRITE);
	utsns_entry__free_unpacked(ue, NULL);
out:
	close(fd);
	return ret;
}

예제 #2

파일: uts_ns.c 프로젝트: Open-Party/criu

int prepare_utsns(int pid)
{
	int ret;
	struct cr_img *img;
	UtsnsEntry *ue;
	struct sysctl_req req[] = {
		{ "kernel/hostname" },
		{ "kernel/domainname" },
	};

	img = open_image(CR_FD_UTSNS, O_RSTR, pid);
	if (!img)
		return -1;

	ret = pb_read_one(img, &ue, PB_UTSNS);
	if (ret < 0)
		goto out;

	req[0].arg = ue->nodename;
	req[0].type = CTL_STR(strlen(ue->nodename));
	req[1].arg = ue->domainname;
	req[1].type = CTL_STR(strlen(ue->domainname));

	ret = sysctl_op(req, ARRAY_SIZE(req), CTL_WRITE, CLONE_NEWUTS);
	utsns_entry__free_unpacked(ue, NULL);
out:
	close_image(img);
	return ret;
}