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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5270 | serge | 1 | #ifndef _UAPI_LINUX_TIME_H |
| 2 | #define _UAPI_LINUX_TIME_H |
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| 3 | |||
| 4 | #include |
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| 5 | |||
| 6 | |||
| 7 | #ifndef _STRUCT_TIMESPEC |
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| 8 | #define _STRUCT_TIMESPEC |
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| 9 | struct timespec { |
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| 10 | __kernel_time_t tv_sec; /* seconds */ |
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| 11 | long tv_nsec; /* nanoseconds */ |
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| 12 | }; |
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| 13 | #endif |
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| 14 | |||
| 15 | struct timeval { |
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| 16 | __kernel_time_t tv_sec; /* seconds */ |
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| 17 | __kernel_suseconds_t tv_usec; /* microseconds */ |
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| 18 | }; |
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| 19 | |||
| 20 | struct timezone { |
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| 21 | int tz_minuteswest; /* minutes west of Greenwich */ |
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| 22 | int tz_dsttime; /* type of dst correction */ |
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| 23 | }; |
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| 24 | |||
| 25 | |||
| 26 | /* |
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| 27 | * Names of the interval timers, and structure |
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| 28 | * defining a timer setting: |
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| 29 | */ |
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| 30 | #define ITIMER_REAL 0 |
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| 31 | #define ITIMER_VIRTUAL 1 |
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| 32 | #define ITIMER_PROF 2 |
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| 33 | |||
| 34 | struct itimerspec { |
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| 35 | struct timespec it_interval; /* timer period */ |
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| 36 | struct timespec it_value; /* timer expiration */ |
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| 37 | }; |
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| 38 | |||
| 39 | struct itimerval { |
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| 40 | struct timeval it_interval; /* timer interval */ |
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| 41 | struct timeval it_value; /* current value */ |
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| 42 | }; |
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| 43 | |||
| 44 | /* |
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| 45 | * The IDs of the various system clocks (for POSIX.1b interval timers): |
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| 46 | */ |
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| 47 | #define CLOCK_REALTIME 0 |
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| 48 | #define CLOCK_MONOTONIC 1 |
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| 49 | #define CLOCK_PROCESS_CPUTIME_ID 2 |
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| 50 | #define CLOCK_THREAD_CPUTIME_ID 3 |
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| 51 | #define CLOCK_MONOTONIC_RAW 4 |
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| 52 | #define CLOCK_REALTIME_COARSE 5 |
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| 53 | #define CLOCK_MONOTONIC_COARSE 6 |
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| 54 | #define CLOCK_BOOTTIME 7 |
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| 55 | #define CLOCK_REALTIME_ALARM 8 |
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| 56 | #define CLOCK_BOOTTIME_ALARM 9 |
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| 57 | #define CLOCK_SGI_CYCLE 10 /* Hardware specific */ |
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| 58 | #define CLOCK_TAI 11 |
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| 59 | |||
| 60 | #define MAX_CLOCKS 16 |
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| 61 | #define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC) |
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| 62 | #define CLOCKS_MONO CLOCK_MONOTONIC |
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| 63 | |||
| 64 | /* |
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| 65 | * The various flags for setting POSIX.1b interval timers: |
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| 66 | */ |
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| 67 | #define TIMER_ABSTIME 0x01 |
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| 68 | |||
| 69 | #endif /* _UAPI_LINUX_TIME_H */ |