projects / thirdparty / util-linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 9abb2685 KZ |
1 | #ifndef HWCLOCK_CLOCK_H |
| 2 | #define HWCLOCK_CLOCK_H | |
| 3 | ||
| 7eda085c | 4 | #include <stdio.h> |
| 66ee8158 | 5 | #include <stdlib.h> |
| 7eda085c | 6 | #include <string.h> |
| f2ff0adf | 7 | #include <sys/time.h> |
| 7eda085c KZ |
8 | #include <time.h> |
| 9 | ||
| b940bae3 | 10 | #include "c.h" |
| ff4e18bd WP |
11 | #include "debug.h" |
| 12 | ||
| 13 | #define HWCLOCK_DEBUG_INIT (1 << 0) | |
| 14 | #define HWCLOCK_DEBUG_RANDOM_SLEEP (1 << 1) | |
| 15 | #define HWCLOCK_DEBUG_DELTA_VS_TARGET (1 << 2) | |
| 16 | #define HWCLOCK_DEBUG_ALL 0xFFFF | |
| 17 | ||
| 18 | UL_DEBUG_DECLARE_MASK(hwclock); | |
| 19 | #define DBG(m, x) __UL_DBG(hwclock, HWCLOCK_DEBUG_, m, x) | |
| 20 | #define ON_DBG(m, x) __UL_DBG_CALL(hwclock, HWCLOCK_DEBUG_, m, x) | |
| b940bae3 | 21 | |
| 336f7c5f SK |
22 | struct hwclock_control { |
| 23 | char *date_opt; | |
| 336f7c5f | 24 | char *adj_file_name; |
| df4f1a66 | 25 | double rtc_delay; /* --delay <seconds> */ |
| 039a0cec | 26 | #if defined(__linux__) && defined(__alpha__) |
| f7599b4f | 27 | char *epoch_option; |
| 039a0cec | 28 | #endif |
| 336f7c5f SK |
29 | #ifdef __linux__ |
| 30 | char *rtc_dev_name; | |
| 31 | #endif | |
| 336f7c5f | 32 | unsigned int |
| 336f7c5f | 33 | hwaudit_on:1, |
| 336f7c5f | 34 | adjust:1, |
| 336f7c5f SK |
35 | show:1, |
| 36 | hctosys:1, | |
| 37 | utc:1, | |
| 38 | systohc:1, | |
| 039a0cec | 39 | #if defined(__linux__) && defined(__alpha__) |
| 336f7c5f SK |
40 | getepoch:1, |
| 41 | setepoch:1, | |
| 42 | #endif | |
| 43 | noadjfile:1, | |
| 44 | local_opt:1, | |
| 336f7c5f SK |
45 | directisa:1, |
| 46 | testing:1, | |
| 47 | systz:1, | |
| 48 | predict:1, | |
| 49 | get:1, | |
| 50 | set:1, | |
| 51 | update:1, | |
| ff4e18bd WP |
52 | universal:1, /* will store hw_clock_is_utc() return value */ |
| 53 | verbose:1; | |
| 336f7c5f SK |
54 | }; |
| 55 | ||
| 7eda085c KZ |
56 | struct clock_ops { |
| 57 | char *interface_name; | |
| ef71b8f1 | 58 | int (*get_permissions) (void); |
| 336f7c5f SK |
59 | int (*read_hardware_clock) (const struct hwclock_control *ctl, struct tm * tm); |
| 60 | int (*set_hardware_clock) (const struct hwclock_control *ctl, const struct tm * tm); | |
| 61 | int (*synchronize_to_clock_tick) (const struct hwclock_control *ctl); | |
| df4f1a66 | 62 | const char *(*get_device_path) (void); |
| 7eda085c KZ |
63 | }; |
| 64 | ||
| 65 | extern struct clock_ops *probe_for_cmos_clock(void); | |
| 336f7c5f | 66 | extern struct clock_ops *probe_for_rtc_clock(const struct hwclock_control *ctl); |
| 7eda085c | 67 | |
| 7eda085c | 68 | /* hwclock.c */ |
| 982a4a5d | 69 | extern double time_diff(struct timeval subtrahend, struct timeval subtractor); |
| 7eda085c KZ |
70 | |
| 71 | /* rtc.c */ | |
| 039a0cec | 72 | #if defined(__linux__) && defined(__alpha__) |
| af68bd01 | 73 | extern int get_epoch_rtc(const struct hwclock_control *ctl, unsigned long *epoch); |
| 336f7c5f | 74 | extern int set_epoch_rtc(const struct hwclock_control *ctl); |
| 039a0cec | 75 | #endif |
| 88058a71 | 76 | |
| 39ff5b34 RM |
77 | extern void __attribute__((__noreturn__)) |
| 78 | hwclock_exit(const struct hwclock_control *ctl, int status); | |
| 9abb2685 | 79 | |
| ef71b8f1 | 80 | #endif /* HWCLOCK_CLOCK_H */ |