diff options
Diffstat (limited to 'include/linux/time.h')
-rw-r--r-- | include/linux/time.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/time.h b/include/linux/time.h index e15206a7e82e..ce321ac5c8f8 100644 --- a/include/linux/time.h +++ b/include/linux/time.h | |||
@@ -29,6 +29,8 @@ struct timezone { | |||
29 | 29 | ||
30 | #ifdef __KERNEL__ | 30 | #ifdef __KERNEL__ |
31 | 31 | ||
32 | extern struct timezone sys_tz; | ||
33 | |||
32 | /* Parameters used to convert the timespec values: */ | 34 | /* Parameters used to convert the timespec values: */ |
33 | #define MSEC_PER_SEC 1000L | 35 | #define MSEC_PER_SEC 1000L |
34 | #define USEC_PER_MSEC 1000L | 36 | #define USEC_PER_MSEC 1000L |
@@ -38,6 +40,8 @@ struct timezone { | |||
38 | #define NSEC_PER_SEC 1000000000L | 40 | #define NSEC_PER_SEC 1000000000L |
39 | #define FSEC_PER_SEC 1000000000000000L | 41 | #define FSEC_PER_SEC 1000000000000000L |
40 | 42 | ||
43 | #define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1) | ||
44 | |||
41 | static inline int timespec_equal(const struct timespec *a, | 45 | static inline int timespec_equal(const struct timespec *a, |
42 | const struct timespec *b) | 46 | const struct timespec *b) |
43 | { | 47 | { |
@@ -72,6 +76,8 @@ extern unsigned long mktime(const unsigned int year, const unsigned int mon, | |||
72 | const unsigned int min, const unsigned int sec); | 76 | const unsigned int min, const unsigned int sec); |
73 | 77 | ||
74 | 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); | ||
75 | 81 | ||
76 | /* | 82 | /* |
77 | * sub = lhs - rhs, in normalized form | 83 | * sub = lhs - rhs, in normalized form |
@@ -117,6 +123,7 @@ extern int do_setitimer(int which, struct itimerval *value, | |||
117 | extern unsigned int alarm_setitimer(unsigned int seconds); | 123 | extern unsigned int alarm_setitimer(unsigned int seconds); |
118 | extern int do_getitimer(int which, struct itimerval *value); | 124 | extern int do_getitimer(int which, struct itimerval *value); |
119 | extern void getnstimeofday(struct timespec *tv); | 125 | extern void getnstimeofday(struct timespec *tv); |
126 | extern void getrawmonotonic(struct timespec *ts); | ||
120 | extern void getboottime(struct timespec *ts); | 127 | extern void getboottime(struct timespec *ts); |
121 | extern void monotonic_to_bootbased(struct timespec *ts); | 128 | extern void monotonic_to_bootbased(struct timespec *ts); |
122 | 129 | ||
@@ -125,6 +132,9 @@ extern int timekeeping_valid_for_hres(void); | |||
125 | extern void update_wall_time(void); | 132 | extern void update_wall_time(void); |
126 | extern void update_xtime_cache(u64 nsec); | 133 | extern void update_xtime_cache(u64 nsec); |
127 | 134 | ||
135 | struct tms; | ||
136 | extern void do_sys_times(struct tms *); | ||
137 | |||
128 | /** | 138 | /** |
129 | * timespec_to_ns - Convert timespec to nanoseconds | 139 | * timespec_to_ns - Convert timespec to nanoseconds |
130 | * @ts: pointer to the timespec variable to be converted | 140 | * @ts: pointer to the timespec variable to be converted |
@@ -214,6 +224,7 @@ struct itimerval { | |||
214 | #define CLOCK_MONOTONIC 1 | 224 | #define CLOCK_MONOTONIC 1 |
215 | #define CLOCK_PROCESS_CPUTIME_ID 2 | 225 | #define CLOCK_PROCESS_CPUTIME_ID 2 |
216 | #define CLOCK_THREAD_CPUTIME_ID 3 | 226 | #define CLOCK_THREAD_CPUTIME_ID 3 |
227 | #define CLOCK_MONOTONIC_RAW 4 | ||
217 | 228 | ||
218 | /* | 229 | /* |
219 | * The IDs of various hardware clocks: | 230 | * The IDs of various hardware clocks: |