efl/legacy/ecore/src/lib/ecore/ecore_time.c

65 lines
1.6 KiB
C

/*
* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include "Ecore.h"
#include "ecore_private.h"
/* FIXME: clock_gettime() is an option... */
/**
* Retrieves the current system time as a floating point value in seconds.
*
* Also see ecore_loop_time_get().
*
* @return The number of seconds since 12.00AM 1st January 1970.
* @ingroup Ecore_Time_Group
*/
EAPI double
ecore_time_get(void)
{
#ifdef HAVE_GETTIMEOFDAY
struct timeval timev;
gettimeofday(&timev, NULL);
return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000);
#else
# error "Your platform isn't supported yet"
#endif
}
double _ecore_loop_time = -1.0;
/**
* Retrieves the time at which the last loop stopped waiting for timeouts or events
*
* This gets the time (since Jan 1st, 1970, 12:00AM) that the main loop ceased
* waiting for timouts and/or events to come in or for signals or any other
* interrupt source. This should be considered a reference point fo all
* time based activity that should calculate its timepoint from the return
* of ecore_loop_time_get(). use this UNLESS you absolutely must get the
* current actual timepoint - then use ecore_time_get(). If this is called
* before any loop has ever been run, then it will call ecore_time_get() for
* you the first time and thus have an initial time reference.
*
* @return The number of seconds since 12.00AM 1st January 1970.
* @ingroup Ecore_Time_Group
*/
EAPI double
ecore_loop_time_get(void)
{
return _ecore_loop_time;
}