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Code Issues Releases Wiki Activity

Fix clock_gettime() on OSX

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This commit is contained in:
Gabriele Gristina 2017-12-26 13:49:17 +01:00
parent a680f194e8
commit 4f8343b8b1
2 changed files with 25 additions and 0 deletions
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7
include/timer.h
View File

@ -6,6 +6,13 @@
#ifndef _TIMER_H
#define _TIMER_H
#if defined(__APPLE__)
#include <sys/time.h>
#include <mach/clock.h>
#include <mach/mach.h>
#include <mach/mach_time.h>
#endif
void hc_timer_set (hc_timer_t *a);
double hc_timer_get (hc_timer_t a);

18
src/timer.c
View File

@ -33,7 +33,25 @@ inline double hc_timer_get (hc_timer_t a)
inline void hc_timer_set (hc_timer_t* a)
{
#if defined (__APPLE__)
// taken from proxmark3/client/util_posix
static uint64_t clock_start_time = 0;
static mach_timebase_info_data_t timebase_info = {0, 0};
uint64_t now = mach_absolute_time();
if (clock_start_time == 0)
{
mach_timebase_info(&timebase_info);
clock_start_time = now;
}
now = (uint64_t)((double)(now - clock_start_time) * (double)timebase_info.numer / (double)timebase_info.denom);
a->tv_sec = now / 1000000000;
a->tv_nsec = now % 1000000000;
#else
clock_gettime (CLOCK_MONOTONIC, a);
#endif
}
inline double hc_timer_get (hc_timer_t a)