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75 lines
1.8 KiB
75 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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#ifndef _UAPI_LINUX_TIME_H |
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#define _UAPI_LINUX_TIME_H |
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#include <linux/types.h> |
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#include <linux/time_types.h> |
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#ifndef __KERNEL__ |
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#ifndef _STRUCT_TIMESPEC |
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#define _STRUCT_TIMESPEC |
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struct timespec { |
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__kernel_old_time_t tv_sec; /* seconds */ |
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long tv_nsec; /* nanoseconds */ |
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}; |
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#endif |
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struct timeval { |
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__kernel_old_time_t tv_sec; /* seconds */ |
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__kernel_suseconds_t tv_usec; /* microseconds */ |
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}; |
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struct itimerspec { |
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struct timespec it_interval;/* timer period */ |
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struct timespec it_value; /* timer expiration */ |
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}; |
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struct itimerval { |
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struct timeval it_interval;/* timer interval */ |
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struct timeval it_value; /* current value */ |
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}; |
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#endif |
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struct timezone { |
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int tz_minuteswest; /* minutes west of Greenwich */ |
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int tz_dsttime; /* type of dst correction */ |
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}; |
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/* |
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* Names of the interval timers, and structure |
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* defining a timer setting: |
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*/ |
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#define ITIMER_REAL 0 |
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#define ITIMER_VIRTUAL 1 |
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#define ITIMER_PROF 2 |
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/* |
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* The IDs of the various system clocks (for POSIX.1b interval timers): |
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*/ |
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#define CLOCK_REALTIME 0 |
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#define CLOCK_MONOTONIC 1 |
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#define CLOCK_PROCESS_CPUTIME_ID 2 |
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#define CLOCK_THREAD_CPUTIME_ID 3 |
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#define CLOCK_MONOTONIC_RAW 4 |
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#define CLOCK_REALTIME_COARSE 5 |
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#define CLOCK_MONOTONIC_COARSE 6 |
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#define CLOCK_BOOTTIME 7 |
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#define CLOCK_REALTIME_ALARM 8 |
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#define CLOCK_BOOTTIME_ALARM 9 |
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/* |
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* The driver implementing this got removed. The clock ID is kept as a |
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* place holder. Do not reuse! |
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*/ |
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#define CLOCK_SGI_CYCLE 10 |
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#define CLOCK_TAI 11 |
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#define MAX_CLOCKS 16 |
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#define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC) |
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#define CLOCKS_MONO CLOCK_MONOTONIC |
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/* |
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* The various flags for setting POSIX.1b interval timers: |
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*/ |
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#define TIMER_ABSTIME 0x01 |
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#endif /* _UAPI_LINUX_TIME_H */
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