1 files changed, 80 insertions, 0 deletions
diff --git a/sys-utils/hwclock.h b/sys-utils/hwclock.h
new file mode 100644
index 0000000..92fdb5f
--- /dev/null
+++ b/sys-utils/hwclock.h
@@ -0,0 +1,80 @@
+#ifndef HWCLOCK_CLOCK_H
+#define HWCLOCK_CLOCK_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <time.h>
+
+#include "c.h"
+#include "debug.h"
+
+#define HWCLOCK_DEBUG_INIT		(1 << 0)
+#define HWCLOCK_DEBUG_RANDOM_SLEEP	(1 << 1)
+#define HWCLOCK_DEBUG_DELTA_VS_TARGET	(1 << 2)
+#define HWCLOCK_DEBUG_ALL		0xFFFF
+
+UL_DEBUG_DECLARE_MASK(hwclock);
+#define DBG(m, x)	__UL_DBG(hwclock, HWCLOCK_DEBUG_, m, x)
+#define ON_DBG(m, x)	__UL_DBG_CALL(hwclock, HWCLOCK_DEBUG_, m, x)
+
+struct hwclock_control {
+	char *date_opt;
+	char *adj_file_name;
+	double rtc_delay;	/* --delay <seconds> */
+#if defined(__linux__) && defined(__alpha__)
+	char *epoch_option;
+#endif
+#ifdef __linux__
+	char *rtc_dev_name;
+#endif
+	unsigned int
+		hwaudit_on:1,
+		adjust:1,
+		show:1,
+		hctosys:1,
+		utc:1,
+		systohc:1,
+#if defined(__linux__) && defined(__alpha__)
+		getepoch:1,
+		setepoch:1,
+#endif
+		noadjfile:1,
+		local_opt:1,
+		directisa:1,
+		testing:1,
+		systz:1,
+		predict:1,
+		get:1,
+		set:1,
+		update:1,
+		universal:1,	/* will store hw_clock_is_utc() return value */
+		verbose:1;
+};
+
+struct clock_ops {
+	char *interface_name;
+	int (*get_permissions) (void);
+	int (*read_hardware_clock) (const struct hwclock_control *ctl, struct tm * tm);
+	int (*set_hardware_clock) (const struct hwclock_control *ctl, const struct tm * tm);
+	int (*synchronize_to_clock_tick) (const struct hwclock_control *ctl);
+	const char *(*get_device_path) (void);
+};
+
+extern struct clock_ops *probe_for_cmos_clock(void);
+extern struct clock_ops *probe_for_rtc_clock(const struct hwclock_control *ctl);
+
+/* hwclock.c */
+extern double time_diff(struct timeval subtrahend, struct timeval subtractor);
+
+/* rtc.c */
+#if defined(__linux__) && defined(__alpha__)
+extern int get_epoch_rtc(const struct hwclock_control *ctl, unsigned long *epoch);
+extern int set_epoch_rtc(const struct hwclock_control *ctl);
+#endif
+
+extern void __attribute__((__noreturn__))
+hwclock_exit(const struct hwclock_control *ctl, int status);
+
+#endif				/* HWCLOCK_CLOCK_H */