lib/libc_r/uthread/uthread_mattr_kind_np.c

   1 /*
   2  * Copyright (c) 1996 Jeffrey Hsu <hsu@freebsd.org>.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by Jeffrey Hsu.
  16  * 4. Neither the name of the author nor the names of any co-contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  * $FreeBSD: src/lib/libc_r/uthread/uthread_mattr_kind_np.c,v 1.4.2.2 2002/10/22 14:44:03 fjoe Exp $
  33  * $DragonFly: src/lib/libc_r/uthread/uthread_mattr_kind_np.c,v 1.4 2005/05/30 20:50:53 joerg Exp $
  34  */
  35 #include <errno.h>
  36 #include <pthread.h>
  37 #include "pthread_private.h"
  38
  39 int
  40 _pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind)
  41 {
  42         int     ret;
  43         if (attr == NULL || *attr == NULL) {
  44                 errno = EINVAL;
  45                 ret = -1;
  46         } else {
  47                 (*attr)->m_type = kind;
  48                 ret = 0;
  49         }
  50         return(ret);
  51 }
  52
  53 int
  54 _pthread_mutexattr_getkind_np(pthread_mutexattr_t attr)
  55 {
  56         int     ret;
  57         if (attr == NULL) {
  58                 errno = EINVAL;
  59                 ret = -1;
  60         } else {
  61                 ret = attr->m_type;
  62         }
  63         return(ret);
  64 }
  65
  66 int
  67 _pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type)
  68 {
  69         int     ret;
  70         if (attr == NULL || *attr == NULL || type >= MUTEX_TYPE_MAX) {
  71                 errno = EINVAL;
  72                 ret = -1;
  73         } else {
  74                 (*attr)->m_type = type;
  75                 ret = 0;
  76         }
  77         return(ret);
  78 }
  79
  80 int
  81 _pthread_mutexattr_gettype(pthread_mutexattr_t *attr, int *type)
  82 {
  83         int     ret;
  84
  85         if (attr == NULL || *attr == NULL || (*attr)->m_type >=
  86             MUTEX_TYPE_MAX) {
  87                 ret = EINVAL;
  88         } else {
  89                 *type = (*attr)->m_type;
  90                 ret = 0;
  91         }
  92         return ret;
  93 }
  94
  95 __strong_reference(_pthread_mutexattr_setkind_np, pthread_mutexattr_setkind_np);
  96 __strong_reference(_pthread_mutexattr_getkind_np, pthread_mutexattr_getkind_np);
  97 __strong_reference(_pthread_mutexattr_gettype, pthread_mutexattr_gettype);
  98 __strong_reference(_pthread_mutexattr_settype, pthread_mutexattr_settype);