//------------------------------------------------------------------------------
//! @file ClockGetTime.cc
//------------------------------------------------------------------------------

/************************************************************************
 * EOS - the CERN Disk Storage System                                   *
 * Copyright (C) 2018 CERN/Switzerland                                  *
 *                                                                      *
 * This program is free software: you can redistribute it and/or modify *
 * it under the terms of the GNU General Public License as published by *
 * the Free Software Foundation, either version 3 of the License, or    *
 * (at your option) any later version.                                  *
 *                                                                      *
 * This program is distributed in the hope that it will be useful,      *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
 * GNU General Public License for more details.                         *
 *                                                                      *
 * You should have received a copy of the GNU General Public License    *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.*
 ************************************************************************/

#include "common/ClockGetTime.hh"

#ifdef __MACH__
int _clock_gettime(clockid_t clk_id, struct timespec* t)
{
  if (&clock_gettime == 0) {
    mach_timebase_info_data_t timebase;
    mach_timebase_info(&timebase);
    uint64_t time;
    time = mach_absolute_time();
    double nseconds = ((double)time * (double)timebase.numer) / ((
                        double)timebase.denom);
    double seconds = ((double)time * (double)timebase.numer) / ((
                       double)timebase.denom * 1e9);
    t->tv_sec = seconds;
    t->tv_nsec = nseconds;
    return 0;
  } else {
    return clock_gettime(clk_id, t);
  }
}
#endif