+ /* 2. Teach kernel new timezone */
+ if (local_rtc)
+ hwclock_apply_localtime_delta();
+ else
+ hwclock_reset_localtime_delta();
+
+ /* 3. Synchronize clocks */
+ assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0);
+
+ if (fix_system) {
+ struct tm tm;
+
+ /* Sync system clock from RTC; first,
+ * initialize the timezone fields of
+ * struct tm. */
+ if (local_rtc)
+ tm = *localtime(&ts.tv_sec);
+ else
+ tm = *gmtime(&ts.tv_sec);
+
+ /* Override the main fields of
+ * struct tm, but not the timezone
+ * fields */
+ if (hwclock_get_time(&tm) >= 0) {
+
+ /* And set the system clock
+ * with this */
+ if (local_rtc)
+ ts.tv_sec = mktime(&tm);
+ else
+ ts.tv_sec = timegm(&tm);
+
+ clock_settime(CLOCK_REALTIME, &ts);
+ }
+
+ } else {
+ struct tm *tm;
+
+ /* Sync RTC from system clock */
+ if (local_rtc)
+ tm = localtime(&ts.tv_sec);
+ else
+ tm = gmtime(&ts.tv_sec);
+
+ hwclock_set_time(tm);
+ }
+
+ log_error("RTC configured to %s time.", local_rtc ? "local" : "UTC");