diff options
Diffstat (limited to 'include/linux/time.h')
| -rw-r--r-- | include/linux/time.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/time.h b/include/linux/time.h index 51e883df0fa5..ce321ac5c8f8 100644 --- a/include/linux/time.h +++ b/include/linux/time.h | |||
| @@ -40,6 +40,8 @@ extern struct timezone sys_tz; | |||
| 40 | #define NSEC_PER_SEC 1000000000L | 40 | #define NSEC_PER_SEC 1000000000L |
| 41 | #define FSEC_PER_SEC 1000000000000000L | 41 | #define FSEC_PER_SEC 1000000000000000L |
| 42 | 42 | ||
| 43 | #define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1) | ||
| 44 | |||
| 43 | static inline int timespec_equal(const struct timespec *a, | 45 | static inline int timespec_equal(const struct timespec *a, |
| 44 | const struct timespec *b) | 46 | const struct timespec *b) |
| 45 | { | 47 | { |
| @@ -74,6 +76,8 @@ extern unsigned long mktime(const unsigned int year, const unsigned int mon, | |||
| 74 | const unsigned int min, const unsigned int sec); | 76 | const unsigned int min, const unsigned int sec); |
| 75 | 77 | ||
| 76 | extern void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec); | 78 | extern void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec); |
| 79 | extern struct timespec timespec_add_safe(const struct timespec lhs, | ||
| 80 | const struct timespec rhs); | ||
| 77 | 81 | ||
| 78 | /* | 82 | /* |
| 79 | * sub = lhs - rhs, in normalized form | 83 | * sub = lhs - rhs, in normalized form |
| @@ -119,6 +123,7 @@ extern int do_setitimer(int which, struct itimerval *value, | |||
| 119 | extern unsigned int alarm_setitimer(unsigned int seconds); | 123 | extern unsigned int alarm_setitimer(unsigned int seconds); |
| 120 | extern int do_getitimer(int which, struct itimerval *value); | 124 | extern int do_getitimer(int which, struct itimerval *value); |
| 121 | extern void getnstimeofday(struct timespec *tv); | 125 | extern void getnstimeofday(struct timespec *tv); |
| 126 | extern void getrawmonotonic(struct timespec *ts); | ||
| 122 | extern void getboottime(struct timespec *ts); | 127 | extern void getboottime(struct timespec *ts); |
| 123 | extern void monotonic_to_bootbased(struct timespec *ts); | 128 | extern void monotonic_to_bootbased(struct timespec *ts); |
| 124 | 129 | ||
| @@ -127,6 +132,9 @@ extern int timekeeping_valid_for_hres(void); | |||
| 127 | extern void update_wall_time(void); | 132 | extern void update_wall_time(void); |
| 128 | extern void update_xtime_cache(u64 nsec); | 133 | extern void update_xtime_cache(u64 nsec); |
| 129 | 134 | ||
| 135 | struct tms; | ||
| 136 | extern void do_sys_times(struct tms *); | ||
| 137 | |||
| 130 | /** | 138 | /** |
| 131 | * timespec_to_ns - Convert timespec to nanoseconds | 139 | * timespec_to_ns - Convert timespec to nanoseconds |
| 132 | * @ts: pointer to the timespec variable to be converted | 140 | * @ts: pointer to the timespec variable to be converted |
| @@ -216,6 +224,7 @@ struct itimerval { | |||
| 216 | #define CLOCK_MONOTONIC 1 | 224 | #define CLOCK_MONOTONIC 1 |
| 217 | #define CLOCK_PROCESS_CPUTIME_ID 2 | 225 | #define CLOCK_PROCESS_CPUTIME_ID 2 |
| 218 | #define CLOCK_THREAD_CPUTIME_ID 3 | 226 | #define CLOCK_THREAD_CPUTIME_ID 3 |
| 227 | #define CLOCK_MONOTONIC_RAW 4 | ||
| 219 | 228 | ||
| 220 | /* | 229 | /* |
| 221 | * The IDs of various hardware clocks: | 230 | * The IDs of various hardware clocks: |
