--- now.c 2015-05-24 03:40:25.000000000 -0400 +++ now.c 2017-08-07 09:58:32.000000000 -0400 @@ -23,43 +23,6 @@ #include #include -#if defined(__MACH__) && !defined(__gnu_hurd__) -/* Fake up clock_gettime() on OS X. */ -# include -# include -# include -# include - - typedef int clockid_t; -# define CLOCK_REALTIME 0 -# define CLOCK_MONOTONIC 1 - - static uint64_t mono_first = 0; - - int clock_gettime(clockid_t clk_id, struct timespec *tp) { - if (clk_id == CLOCK_REALTIME) { - struct timeval tv; - gettimeofday(&tv, NULL); - tp->tv_sec = tv.tv_sec; - tp->tv_nsec = tv.tv_usec * 1000; - return 0; - } - if (clk_id == CLOCK_MONOTONIC) { - uint64_t t = mach_absolute_time(); - mach_timebase_info_data_t timebase; - mach_timebase_info(&timebase); - if (!mono_first) { - mono_first = t; - } - uint64_t tdiff = (t - mono_first) * timebase.numer / timebase.denom; - tp->tv_sec = tdiff / 1000000000; - tp->tv_nsec = tdiff % 1000000000; - return 0; - } - return -1; - } -#endif /* __MACH__ */ - static struct timespec clock_real, clock_mono; static int now_initialized = 0;