437     int res = parsePrefix(nat64Prefix.c_str(), &family, &pfx96, sizeof(pfx96), &prefixLen);  in init()  local
439     if (res != sizeof(pfx96)) return res;  in init()
486     int res = open("/dev/net/tun", O_RDWR | O_NONBLOCK | O_CLOEXEC);  in startClatd()  local
487     if (res == -1) {  in startClatd()
488         res = errno;  in startClatd()
489         ALOGE("open of tun device failed (%s)", strerror(res));  in startClatd()
490         return -res;  in startClatd()
492     unique_fd tmpTunFd(res);  in startClatd()
503     res = ioctl(tmpTunFd, TUNSETIFF, &ifr, sizeof(ifr));  in startClatd()
504     if (res == -1) {  in startClatd()
505         res = errno;  in startClatd()
506         ALOGE("ioctl(TUNSETIFF) failed (%s)", strerror(res));  in startClatd()
507         return -res;  in startClatd()
511     res = InterfaceController::setEnableIPv6(v4interface.c_str(), 0);  in startClatd()
512     if (res) ALOGE("setEnableIPv6 %s failed (%s)", v4interface.c_str(), strerror(res));  in startClatd()
520     res = socket(AF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, 0);  in startClatd()
521     if (res == -1) {  in startClatd()
522         res = errno;  in startClatd()
523         ALOGE("socket(ipv6/udp) failed (%s)", strerror(res));  in startClatd()
524         return -res;  in startClatd()
526     unique_fd passedTunFd(res);  in startClatd()
549     res = posix_spawnattr_init(&attr);  in startClatd()
550     if (res) {  in startClatd()
551         ALOGE("posix_spawnattr_init failed (%s)", strerror(res));  in startClatd()
552         return -res;  in startClatd()
555     res = posix_spawnattr_setflags(&attr, POSIX_SPAWN_USEVFORK);  in startClatd()
556     if (res) {  in startClatd()
557         ALOGE("posix_spawnattr_setflags failed (%s)", strerror(res));  in startClatd()
558         return -res;  in startClatd()
565     res = posix_spawn_file_actions_init(&fa);  in startClatd()
566     if (res) {  in startClatd()
567         ALOGE("posix_spawn_file_actions_init failed (%s)", strerror(res));  in startClatd()
568         return -res;  in startClatd()
571     res = posix_spawn_file_actions_adddup2(&fa, tmpTunFd, passedTunFd);  in startClatd()
572     if (res) {  in startClatd()
573         ALOGE("posix_spawn_file_actions_adddup2 failed (%s)", strerror(res));  in startClatd()
574         return -res;  in startClatd()
581     res = posix_spawn(&tracker.pid, kClatdPath, &fa, &attr, (char* const*)args, nullptr);  in startClatd()
582     if (res) {  in startClatd()
583         ALOGE("posix_spawn failed (%s)", strerror(res));  in startClatd()
584         return -res;  in startClatd()
646     auto res = mClatEgressMap.iterateWithValue(printClatMap);  in dumpEgress()  local
647     if (!res.ok()) {  in dumpEgress()
648         dw.println("Error printing BPF map: %s", res.error().message().c_str());  in dumpEgress()
677     auto res = mClatIngressMap.iterateWithValue(printClatMap);  in dumpIngress()  local
678     if (!res.ok()) {  in dumpIngress()
679         dw.println("Error printing BPF map: %s", res.error().message().c_str());  in dumpIngress()