1 files changed, 20 insertions, 0 deletions
diff --git a/src/shared/clock-util.h b/src/shared/clock-util.h
new file mode 100644
index 0000000..c8f6d1b
--- /dev/null
+++ b/src/shared/clock-util.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <errno.h>
+#include <time.h>
+
+typedef enum ClockChangeDirection {
+        CLOCK_CHANGE_NOOP,
+        CLOCK_CHANGE_FORWARD,
+        CLOCK_CHANGE_BACKWARD,
+        _CLOCK_CHANGE_MAX,
+        _CLOCK_CHANGE_INVALID = -EINVAL,
+} ClockChangeDirection;
+
+int clock_is_localtime(const char* adjtime_path);
+int clock_set_timezone(int *ret_minutesdelta);
+int clock_reset_timewarp(void);
+int clock_get_hwclock(struct tm *tm);
+int clock_set_hwclock(const struct tm *tm);
+int clock_apply_epoch(ClockChangeDirection *ret_attempted_change);