/*
 * This file is part of the bladeRF project:
 *   http://www.github.com/nuand/bladeRF
 *
 * Copyright (C) 2013-2018 Nuand LLC
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "wallclock.h"
#include "host_config.h"

#if BLADERF_OS_WINDOWS || BLADERF_OS_OSX
#include "clock_gettime.h"
#else
#include <time.h>
#endif

uint64_t wallclock_get_current_nsec()
{
    static const int nsec_per_sec = 1000 * 1000 * 1000;
    struct timespec t;
    int status;
    uint64_t rv;

    status = clock_gettime(CLOCK_REALTIME, &t);
    if (status != 0) {
        rv = 0;
    } else {
        rv = (t.tv_sec * nsec_per_sec);
        rv += (t.tv_nsec);
    }

    return rv;
}