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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:30:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:30:35 +0000
commit378c18e5f024ac5a8aef4cb40d7c9aa9633d144c (patch)
tree44dfb6ca500d32cabd450649b322a42e70a30683 /sys-utils/hwclock.h
parentInitial commit. (diff)
downloadutil-linux-upstream.tar.xz
util-linux-upstream.zip
Adding upstream version 2.38.1.upstream/2.38.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sys-utils/hwclock.h')
-rw-r--r--sys-utils/hwclock.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/sys-utils/hwclock.h b/sys-utils/hwclock.h
new file mode 100644
index 0000000..951857c
--- /dev/null
+++ b/sys-utils/hwclock.h
@@ -0,0 +1,96 @@
+#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"
+#include "nls.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
+ char *param_get_option;
+ char *param_set_option;
+ 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
+
+struct hwclock_param {
+ int id;
+ const char *name;
+ const char *help;
+};
+
+extern const struct hwclock_param *get_hwclock_params(void);
+extern int get_param_rtc(const struct hwclock_control *ctl,
+ const char *name, uint64_t *id, uint64_t *value);
+extern int set_param_rtc(const struct hwclock_control *ctl, const char *name);
+
+extern void __attribute__((__noreturn__))
+hwclock_exit(const struct hwclock_control *ctl, int status);
+
+extern int parse_date(struct timespec *, char const *, struct timespec const *);
+
+#endif /* HWCLOCK_CLOCK_H */