lib/cpuwatch_rt.cpp

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/*****************************************************************************
** Platform Check
*****************************************************************************/
 
#include <ecl/config.hpp>
 
#if defined(ECL_IS_POSIX)
  // monotonic clock, cpu clock -> clock_gettime; clock_selection -> clock_nanosleep
  #if defined(_POSIX_MONOTONIC_CLOCK) && (_POSIX_MONOTONIC_CLOCK) >= 0L && defined(_POSIX_CLOCK_SELECTION) && (_POSIX_CLOCK_SELECTION) >= 0L
 
 
/*****************************************************************************
** Includes
*****************************************************************************/
 
#include "../../include/ecl/time/cpuwatch_rt.hpp"
#include <ecl/time_lite/cpu_time.hpp>
 
/*****************************************************************************
** Namespaces
*****************************************************************************/
 
namespace ecl {
 
/*****************************************************************************
** Implementation [CpuWatch]
*****************************************************************************/
 
CpuWatch::CpuWatch() {
        cpu_time(tmp);
        start_time.stamp(tmp.tv_sec, tmp.tv_nsec);
        split_time = start_time;
};
 
/*****************************************************************************
** Implementation
*****************************************************************************/
 
void CpuWatch::restart()
{
        cpu_time(tmp);
        start_time.stamp(tmp.tv_sec, tmp.tv_nsec);
    split_time = start_time;
}
 
TimeStamp CpuWatch::elapsed()
{
        cpu_time(tmp);
    TimeStamp current_time(tmp.tv_sec, tmp.tv_nsec);
    return ( current_time - start_time );
}
 
TimeStamp CpuWatch::split()
{
    TimeStamp last_time = split_time;
        cpu_time(tmp);
    split_time.stamp(tmp.tv_sec,tmp.tv_nsec);
    return (split_time - last_time);
}
 
}; // namespace ecl
 
#endif /* MANY POSIX TIME REQ'MENTS */
#endif /* ECL_IS_POSIX */