123 lines
3.1 KiB
C
123 lines
3.1 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#define EFL_LOOP_PROTECTED
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#include <stdlib.h>
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#include <sys/time.h>
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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 <time.h>
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#include "Ecore.h"
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#include "ecore_private.h"
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#if defined (HAVE_CLOCK_GETTIME) || defined (EXOTIC_PROVIDE_CLOCK_GETTIME)
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static clockid_t _ecore_time_clock_id;
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static Eina_Bool _ecore_time_got_clock_id = EINA_FALSE;
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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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EAPI double
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ecore_time_get(void)
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{
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#if defined (HAVE_CLOCK_GETTIME) || defined (EXOTIC_PROVIDE_CLOCK_GETTIME)
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struct timespec t;
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if (EINA_UNLIKELY(!_ecore_time_got_clock_id))
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return ecore_time_unix_get();
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if (EINA_UNLIKELY(clock_gettime(_ecore_time_clock_id, &t)))
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{
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CRI("Cannot get current time");
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return 0.0;
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}
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return (double)t.tv_sec + (((double)t.tv_nsec) / 1000000000.0);
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#elif defined(_WIN32)
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return evil_time_get();
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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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}
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EAPI double
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ecore_time_unix_get(void)
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{
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#ifdef HAVE_GETTIMEOFDAY
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struct timeval timev;
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gettimeofday(&timev, NULL);
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return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000);
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#else
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# error "Your platform isn't supported yet"
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#endif
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}
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EAPI double
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ecore_loop_time_get(void)
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{
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return efl_loop_time_get(ML_OBJ);
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}
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EAPI void
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ecore_loop_time_set(double t)
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{
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efl_loop_time_set(ML_OBJ, t);
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}
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/*-******************** Internal methods ********************************/
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/* TODO: Documentation says "All implementations support the system-wide
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* real-time clock, which is identified by CLOCK_REALTIME. Check if the fallback
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* to unix time (without specifying the resolution) might be removed
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*/
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void
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_ecore_time_init(void)
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{
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#if defined(HAVE_CLOCK_GETTIME) || defined(EXOTIC_PROVIDE_CLOCK_GETTIME)
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struct timespec t;
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if (_ecore_time_got_clock_id) return;
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if (!clock_gettime(CLOCK_MONOTONIC, &t))
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{
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_ecore_time_clock_id = CLOCK_MONOTONIC;
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_ecore_time_got_clock_id = EINA_TRUE;
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DBG("using CLOCK_MONOTONIC");
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}
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else if (!clock_gettime(CLOCK_REALTIME, &t))
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{
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// may go backwards
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_ecore_time_clock_id = CLOCK_REALTIME;
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_ecore_time_got_clock_id = EINA_TRUE;
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WRN("CLOCK_MONOTONIC not available. Fallback to CLOCK_REALTIME");
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}
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else
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CRI("Cannot get a valid clock_gettime() clock id! Fallback to unix time");
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#else
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# ifndef _WIN32
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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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_ecore_time_clock_conversion = 1e-9 * (double)info.numer / (double)info.denom;
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else
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WRN("Unable to get timebase info. Fallback to nanoseconds");
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# else
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# warning "Your platform isn't supported yet"
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CRI("Platform does not support clock_gettime. Fallback to unix time");
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# endif
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# endif
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#endif
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ecore_loop_time_set(ecore_time_get());
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}
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