Merge changes from topic "uid_pid with recovery mode" am: 0130a782 am: 83ff1049 am: e8e53861

static int createProcessGroupInternal(uid_t uid, int initialPid, std::string cgroup) {

    auto uid_path = ConvertUidToPath(cgroup.c_str(), uid);

    if (!MkdirAndChown(uid_path, 0750, AID_SYSTEM, AID_SYSTEM)) {

    struct stat cgroup_stat;

    mode_t cgroup_mode = 0750;

    gid_t cgroup_uid = AID_SYSTEM;

    uid_t cgroup_gid = AID_SYSTEM;

    if (stat(cgroup.c_str(), &cgroup_stat) == 1) {

        PLOG(ERROR) << "Failed to get stats for " << cgroup;

    } else {

        cgroup_mode = cgroup_stat.st_mode;

        cgroup_uid = cgroup_stat.st_uid;

        cgroup_gid = cgroup_stat.st_gid;

    }

    if (!MkdirAndChown(uid_path, cgroup_mode, cgroup_uid, cgroup_gid)) {

        PLOG(ERROR) << "Failed to make and chown " << uid_path;

        return -errno;

    }

    auto uid_pid_path = ConvertUidPidToPath(cgroup.c_str(), uid, initialPid);

    if (!MkdirAndChown(uid_pid_path, 0750, AID_SYSTEM, AID_SYSTEM)) {

    if (!MkdirAndChown(uid_pid_path, cgroup_mode, cgroup_uid, cgroup_gid)) {

        PLOG(ERROR) << "Failed to make and chown " << uid_pid_path;

        return -errno;

    }

{

  "Cgroups2": {

    "Path": "/sys/fs/cgroup",

    "Mode": "0755",

    "UID": "root",

    "GID": "root"

  }

}