forked from enlightenment/efl
Ecore: ecore_time : Add a fast high-resolution monotonic clock
SVN revision: 59021
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@ -12,6 +12,10 @@
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# include <Evil.h>
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#endif
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#if defined(__APPLE__) && defined(__MACH__)
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# include <mach/mach_time.h>
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#endif
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#include "Ecore.h"
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#include "ecore_private.h"
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@ -19,6 +23,8 @@
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#ifdef HAVE_CLOCK_GETTIME
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static clockid_t _ecore_time_clock_id = -1;
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#elif defined(__APPLE__) && defined(__MACH__)
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static double _ecore_time_clock_conversion = 1e-9;
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#endif
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double _ecore_time_loop_time = -1.0;
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@ -66,12 +72,12 @@ ecore_time_get(void)
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}
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return (double)t.tv_sec + (((double)t.tv_nsec) / 1000000000.0);
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#else
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# ifdef HAVE_EVIL
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#elif HAVE_EVIL
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return evil_time_get();
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# else
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#elif defined(__APPLE__) && defined(__MACH__)
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return _ecore_time_clock_conversion * (double) mach_absolute_time();
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#else
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return ecore_time_unix_get();
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# endif
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#endif
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}
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@ -165,9 +171,22 @@ _ecore_time_init(void)
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}
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#else
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# ifndef HAVE_EVIL
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# if defined(__APPLE__) && defined(__MACH__)
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mach_timebase_info_data_t info;
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kern_return_t err = mach_timebase_info(&info);
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if (err == 0)
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{
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_ecore_time_clock_conversion = 1e-9 * (double) info.numer / (double) info.denom;
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}
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else
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{
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WRN("Unable to get timebase info. Fallback to nanoseconds.");
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}
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# else
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# warning "Your platform isn't supported yet"
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CRIT("Platform does not support clock_gettime. "
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"Fallback to unix time.");
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# endif
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# endif
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#endif
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