/*      $OpenBSD: w_clock_gettime.c,v 1.1 2020/07/06 13:33:06 pirofti Exp $ */
/*
 * Copyright (c) 2020 Paul Irofti <paul@irofti.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/timetc.h>

#include <time.h>

int
WRAP(clock_gettime)(clockid_t clock_id, struct timespec *tp)
{
        int rc = 0;
        struct timekeep *timekeep = _timekeep;

        if (timekeep == NULL || timekeep->tk_user == 0)
                return clock_gettime(clock_id, tp);

        switch (clock_id) {
        case CLOCK_REALTIME:
                rc = _nanotime(tp, timekeep);
                break;
        case CLOCK_UPTIME:
                rc = _nanoruntime(tp, timekeep);
                break;
        case CLOCK_MONOTONIC:
        case CLOCK_BOOTTIME:
                rc = _nanouptime(tp, timekeep);
                break;
        default:
                return clock_gettime(clock_id, tp);
        }

        if (rc)
                return clock_gettime(clock_id, tp);

        return 0;
}
DEF_WRAP(clock_gettime);