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49 lines
994 B
C++
49 lines
994 B
C++
#ifndef TIME_DEFS_H
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#define TIME_DEFS_H
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#include <chrono>
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#include <sys/time.h>
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namespace chronos
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{
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typedef std::chrono::high_resolution_clock hrc;
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typedef std::chrono::time_point<hrc> time_point_hrc;
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typedef std::chrono::seconds sec;
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typedef std::chrono::milliseconds msec;
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typedef std::chrono::microseconds usec;
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typedef std::chrono::nanoseconds nsec;
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static void addUs(timeval& tv, int us)
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{
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if (us < 0)
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{
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timeval t;
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t.tv_sec = -us / 1000000;
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t.tv_usec = (-us % 1000000);
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timersub(&tv, &t, &tv);
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return;
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}
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tv.tv_usec += us;
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tv.tv_sec += (tv.tv_usec / 1000000);
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tv.tv_usec %= 1000000;
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}
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static long getTickCount()
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{
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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return now.tv_sec*1000 + now.tv_nsec / 1000000;
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}
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template <class Rep, class Period>
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std::chrono::duration<Rep, Period> abs(std::chrono::duration<Rep, Period> d)
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{
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Rep x = d.count();
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return std::chrono::duration<Rep, Period>(x >= 0 ? x : -x);
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}
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}
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#endif
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