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util.h: use mach_absolute_time for macOS

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Przemyslaw Skibinski 2017-02-20 12:18:15 +01:00
parent e052c60540
commit da4a0f30af
1 changed files with 8 additions and 0 deletions
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8
programs/util.h
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@ -116,6 +116,14 @@ extern "C" {
UTIL_STATIC void UTIL_getTime(UTIL_time_t* x) { QueryPerformanceCounter(x); }
UTIL_STATIC U64 UTIL_getSpanTimeMicro(UTIL_freq_t ticksPerSecond, UTIL_time_t clockStart, UTIL_time_t clockEnd) { return 1000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart; }
UTIL_STATIC U64 UTIL_getSpanTimeNano(UTIL_freq_t ticksPerSecond, UTIL_time_t clockStart, UTIL_time_t clockEnd) { return 1000000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart; }
#elif defined(__APPLE__) && defined(__MACH__)
#include <mach/mach_time.h>
typedef mach_timebase_info_data_t UTIL_freq_t;
typedef U64 UTIL_time_t;
UTIL_STATIC void UTIL_initTimer(UTIL_freq_t* rate) { mach_timebase_info(&rate); }
UTIL_STATIC void UTIL_getTime(UTIL_time_t* x) { *x = mach_absolute_time(); }
UTIL_STATIC U64 UTIL_getSpanTimeMicro(UTIL_freq_t rate, UTIL_time_t clockStart, UTIL_time_t clockEnd) { return (((clockEnd - clockStart) * (U64)rate.numer) / ((U64)rate.denom))/1000ULL; }
UTIL_STATIC U64 UTIL_getSpanTimeNano(UTIL_freq_t rate, UTIL_time_t clockStart, UTIL_time_t clockEnd) { return ((clockEnd - clockStart) * (U64)rate.numer) / ((U64)rate.denom); }
#elif (_POSIX_TIMERS > 0) && defined(_POSIX_MONOTONIC_CLOCK) /* defined in <unistd.h> */
typedef struct timespec UTIL_freq_t;
typedef struct timespec UTIL_time_t;