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/* $OpenBSD: rthread_mutexattr.c,v 1.2 2012/02/15 04:58:42 guenther Exp $ */
/*
* Copyright (c) 2004,2005 Ted Unangst <tedu@openbsd.org>
* Copyright (c) 2011 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.
*/
/*
* Mutex attributes
*/
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <pthread.h>
#include <pthread_np.h>
#include "rthread.h"
int
pthread_mutexattr_init(pthread_mutexattr_t *attrp)
{
pthread_mutexattr_t attr;
attr = calloc(1, sizeof(*attr));
if (!attr)
return (errno);
attr->ma_type = PTHREAD_MUTEX_ERRORCHECK;
*attrp = attr;
return (0);
}
int
pthread_mutexattr_destroy(pthread_mutexattr_t *attrp)
{
free(*attrp);
*attrp = NULL;
return (0);
}
int
pthread_mutexattr_settype(pthread_mutexattr_t *attrp, int type)
{
if (type < PTHREAD_MUTEX_ERRORCHECK || type >= PTHREAD_MUTEX_TYPE_MAX)
return (EINVAL);
(*attrp)->ma_type = type;
return (0);
}
int
pthread_mutexattr_gettype(pthread_mutexattr_t *attrp, int *type)
{
*type = (*attrp)->ma_type;
return (0);
}
int
pthread_mutexattr_setprotocol(pthread_mutexattr_t *attrp, int protocol)
{
if (protocol < PTHREAD_PRIO_NONE || protocol > PTHREAD_PRIO_PROTECT)
return (EINVAL);
(*attrp)->ma_protocol = protocol;
return (0);
}
int
pthread_mutexattr_getprotocol(pthread_mutexattr_t *attrp, int *protocol)
{
*protocol = (*attrp)->ma_protocol;
return (0);
}
int
pthread_mutexattr_setprioceiling(pthread_mutexattr_t *attrp, int prioceiling)
{
if (prioceiling < PTHREAD_MIN_PRIORITY ||
prioceiling > PTHREAD_MAX_PRIORITY)
return (EINVAL);
(*attrp)->ma_prioceiling = prioceiling;
return (0);
}
int
pthread_mutexattr_getprioceiling(pthread_mutexattr_t *attrp, int *prioceiling)
{
*prioceiling = (*attrp)->ma_prioceiling;
return (0);
}
int
pthread_mutexattr_getkind_np(pthread_mutexattr_t attrp)
{
int ret;
if (attrp == NULL)
ret = EINVAL;
else
ret = attrp->ma_type;
return(ret);
}
int
pthread_mutexattr_setkind_np(pthread_mutexattr_t *attrp, int kind)
{
int ret;
if (attrp == NULL || *attrp == NULL ||
kind < PTHREAD_MUTEX_ERRORCHECK || kind >= PTHREAD_MUTEX_TYPE_MAX)
ret = EINVAL;
else {
(*attrp)->ma_type = kind;
ret = 0;
}
return (ret);
}
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