src/lib/librthread/rthread_barrier_attr.c

74 lines
1.7 KiB
C

/* $OpenBSD: rthread_barrier_attr.c,v 1.3 2020/04/06 00:01:08 pirofti Exp $ */
/*
* Copyright (c) 2012 Paul Irofti <paul@irofti.net>
*
* Permission to use, copy, modify, and/or 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 <errno.h>
#include <stdlib.h>
#include <pthread.h>
#include "rthread.h"
int
pthread_barrierattr_init(pthread_barrierattr_t *attr)
{
if (attr == NULL)
return (EINVAL);
*attr = calloc(1, sizeof **attr);
if (*attr == NULL)
return (ENOMEM);
(*attr)->pshared = PTHREAD_PROCESS_PRIVATE;
return (0);
}
int
pthread_barrierattr_destroy(pthread_barrierattr_t *attr)
{
if (attr == NULL || *attr == NULL)
return (EINVAL);
free(*attr);
return (0);
}
int
pthread_barrierattr_getpshared(pthread_barrierattr_t *attr, int *pshared)
{
if (attr == NULL || *attr == NULL)
return (EINVAL);
*pshared = (*attr)->pshared;
return (0);
}
int
pthread_barrierattr_setpshared(pthread_barrierattr_t *attr, int pshared)
{
if (attr == NULL || *attr == NULL)
return (EINVAL);
if (pshared != PTHREAD_PROCESS_PRIVATE)
return (ENOTSUP);
(*attr)->pshared = pshared;
return (0);
}