text: #include <log4cpp/threading/Threading.hh>
  
  #ifndef LOG4CPP_HAVE_THREADING
  
  namespace log4cpp {
      namespace threading {
  
          std::string getThreadId() {
              // more useful would be to return the PID.
              return std::string("thread1");
          }
  
      }
  }
  
  #endif // LOG4CPP_HAVE_THREADING
  