root/lib/libc/thread/rthread_condattr.c
/*      $OpenBSD: rthread_condattr.c,v 1.3 2017/09/05 02:40:54 guenther Exp $ */
/*
 * Copyright (c) 2004,2005 Ted Unangst <tedu@openbsd.org>
 * Copyright (c) 2012 Philip Guenther <guenther@openbsd.org>
 * All Rights Reserved.
 *
 * 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.
 */
/*
 * Condition Variable Attributes
 */

#include <errno.h>
#include <pthread.h>
#include <stdlib.h>

#include "rthread.h"

int
pthread_condattr_init(pthread_condattr_t *attrp)
{
        pthread_condattr_t attr;

        attr = calloc(1, sizeof(*attr));
        if (!attr)
                return (errno);
        attr->ca_clock = CLOCK_REALTIME;
        *attrp = attr;

        return (0);
}

int
pthread_condattr_destroy(pthread_condattr_t *attrp)
{
        free(*attrp);
        *attrp = NULL;

        return (0);
}

int
pthread_condattr_getclock(const pthread_condattr_t *attr, clockid_t *clock_id)
{
        *clock_id = (*attr)->ca_clock;
        return (0);
}

int
pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id)
{
        if (clock_id != CLOCK_REALTIME && clock_id != CLOCK_MONOTONIC)
                return (EINVAL);
        (*attr)->ca_clock = clock_id;
        return (0);
}