-#ifdef HAVE_GMTIME_R
- timeptr = gmtime_r(&last_modified, &gmt);
-#elif defined(MUTEX_LOCKS_AVAILABLE)
- privoxy_mutex_lock(&gmtime_mutex);
- timeptr = gmtime(&last_modified);
- privoxy_mutex_unlock(&gmtime_mutex);
-#else
- timeptr = gmtime(&last_modified);
-#endif