time.c

/* Copyright (C) 2007 Keith Rarick and Philotic Inc.
 * Copyright 2011 Keith Rarick

 * 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 "t.h"
#include <sys/time.h>
#include <event.h>
#include "dat.h"

void
init_timeval(struct timeval *tv, int64 t)
{
    tv->tv_sec = t / 1000000000;
    tv->tv_usec = (t/1000) % 1000000;
}

int64
nanoseconds(void)
{
    int r;
    struct timeval tv;

    r = gettimeofday(&tv, 0);
    if (r != 0) return warnx("gettimeofday"), -1; // can't happen

    return ((int64)tv.tv_sec)*1000000000 + ((int64)tv.tv_usec)*1000;
}