cregit-Linux how code gets into the kernel

Release 4.15 include/linux/timekeeping32.h

Directory: include/linux
#ifndef _LINUX_TIMEKEEPING32_H

#define _LINUX_TIMEKEEPING32_H
/*
 * These interfaces are all based on the old timespec type
 * and should get replaced with the timespec64 based versions
 * over time so we can remove the file here.
 */

extern void do_gettimeofday(struct timeval *tv);
unsigned long get_seconds(void);

/* does not take xtime_lock */
struct timespec __current_kernel_time(void);


static inline struct timespec current_kernel_time(void) { struct timespec64 now = current_kernel_time64(); return timespec64_to_timespec(now); }

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#if BITS_PER_LONG == 64 /** * Deprecated. Use do_settimeofday64(). */
static inline int do_settimeofday(const struct timespec *ts) { return do_settimeofday64(ts); }

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static inline int __getnstimeofday(struct timespec *ts) { return __getnstimeofday64(ts); }

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static inline void getnstimeofday(struct timespec *ts) { getnstimeofday64(ts); }

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static inline void ktime_get_ts(struct timespec *ts) { ktime_get_ts64(ts); }

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static inline void ktime_get_real_ts(struct timespec *ts) { getnstimeofday64(ts); }

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static inline void getrawmonotonic(struct timespec *ts) { getrawmonotonic64(ts); }

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static inline struct timespec get_monotonic_coarse(void) { return get_monotonic_coarse64(); }

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static inline void getboottime(struct timespec *ts) { return getboottime64(ts); }

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#else /** * Deprecated. Use do_settimeofday64(). */
static inline int do_settimeofday(const struct timespec *ts) { struct timespec64 ts64; ts64 = timespec_to_timespec64(*ts); return do_settimeofday64(&ts64); }

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static inline int __getnstimeofday(struct timespec *ts) { struct timespec64 ts64; int ret = __getnstimeofday64(&ts64); *ts = timespec64_to_timespec(ts64); return ret; }

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static inline void getnstimeofday(struct timespec *ts) { struct timespec64 ts64; getnstimeofday64(&ts64); *ts = timespec64_to_timespec(ts64); }

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static inline void ktime_get_ts(struct timespec *ts) { struct timespec64 ts64; ktime_get_ts64(&ts64); *ts = timespec64_to_timespec(ts64); }

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static inline void ktime_get_real_ts(struct timespec *ts) { struct timespec64 ts64; getnstimeofday64(&ts64); *ts = timespec64_to_timespec(ts64); }

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static inline void getrawmonotonic(struct timespec *ts) { struct timespec64 ts64; getrawmonotonic64(&ts64); *ts = timespec64_to_timespec(ts64); }

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static inline struct timespec get_monotonic_coarse(void) { return timespec64_to_timespec(get_monotonic_coarse64()); }

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static inline void getboottime(struct timespec *ts) { struct timespec64 ts64; getboottime64(&ts64); *ts = timespec64_to_timespec(ts64); }

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#endif /* * Timespec interfaces utilizing the ktime based ones */
static inline void get_monotonic_boottime(struct timespec *ts) { *ts = ktime_to_timespec(ktime_get_boottime()); }

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static inline void timekeeping_clocktai(struct timespec *ts) { *ts = ktime_to_timespec(ktime_get_clocktai()); }

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/* * Persistent clock related interfaces */ extern void read_persistent_clock(struct timespec *ts); extern int update_persistent_clock(struct timespec now); #endif

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Directory: include/linux
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