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https://github.com/sunnypilot/sunnypilot.git
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f70a79b838
* use cstring instead of string.h
* use cstdio instead of stdio.h
* remove inttypes.h
* use cstdlib instead of stdlib.h
* use cstdint instead of stdint.h
* #include <cstddef>
* cstdlib
* use cmath
* remove stddef.h
* use cassert
* use csignal
* use ctime
* use cerror
* rebase master
old-commit-hash: c53cb5d570
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#pragma once
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#include <cstdint>
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#include <ctime>
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#ifdef __APPLE__
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#define CLOCK_BOOTTIME CLOCK_MONOTONIC
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#endif
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static inline uint64_t nanos_since_boot() {
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struct timespec t;
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clock_gettime(CLOCK_BOOTTIME, &t);
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return t.tv_sec * 1000000000ULL + t.tv_nsec;
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}
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static inline double millis_since_boot() {
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struct timespec t;
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clock_gettime(CLOCK_BOOTTIME, &t);
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return t.tv_sec * 1000.0 + t.tv_nsec * 1e-6;
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}
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static inline double seconds_since_boot() {
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struct timespec t;
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clock_gettime(CLOCK_BOOTTIME, &t);
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return (double)t.tv_sec + t.tv_nsec * 1e-9;
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}
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static inline uint64_t nanos_since_epoch() {
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struct timespec t;
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clock_gettime(CLOCK_REALTIME, &t);
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return t.tv_sec * 1000000000ULL + t.tv_nsec;
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}
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static inline double seconds_since_epoch() {
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struct timespec t;
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clock_gettime(CLOCK_REALTIME, &t);
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return (double)t.tv_sec + t.tv_nsec * 1e-9;
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}
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// you probably should use nanos_since_boot instead
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static inline uint64_t nanos_monotonic() {
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struct timespec t;
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clock_gettime(CLOCK_MONOTONIC, &t);
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return t.tv_sec * 1000000000ULL + t.tv_nsec;
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}
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static inline uint64_t nanos_monotonic_raw() {
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struct timespec t;
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clock_gettime(CLOCK_MONOTONIC_RAW, &t);
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return t.tv_sec * 1000000000ULL + t.tv_nsec;
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}
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