void creatSafe(const std::string &path, mode_t mode);
void symlinkSafe(const std::string &targetPath, const std::string &linkPath);
void removeDir(const std::string &path);
void creatSafe(const std::string &path, mode_t mode);
void symlinkSafe(const std::string &targetPath, const std::string &linkPath);
void removeDir(const std::string &path);