1 files changed, 14 insertions, 2 deletions
diff --git a/src/basic/clock-util.c b/src/basic/clock-util.c
index 05788a360e..507e757ff0 100644
--- a/src/basic/clock-util.c
+++ b/src/basic/clock-util.c
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 /***
   This file is part of systemd.
 
@@ -146,3 +144,17 @@ int clock_reset_timewarp(void) {
 
         return 0;
 }
+
+#define TIME_EPOCH_USEC ((usec_t) TIME_EPOCH * USEC_PER_SEC)
+
+int clock_apply_epoch(void) {
+        struct timespec ts;
+
+        if (now(CLOCK_REALTIME) >= TIME_EPOCH_USEC)
+                return 0;
+
+        if (clock_settime(CLOCK_REALTIME, timespec_store(&ts, TIME_EPOCH_USEC)) < 0)
+                return -errno;
+
+        return 1;
+}