2 * Copyright (c) 1998 Alex Nash
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $Id: uthread_rwlockattr.c,v 1.1 1998/09/07 19:01:43 alex Exp $
34 #include "pthread_private.h"
37 pthread_rwlockattr_destroy (pthread_rwlockattr_t *rwlockattr)
39 pthread_rwlockattr_t prwlockattr;
41 if (rwlockattr == NULL)
44 prwlockattr = *rwlockattr;
46 if (prwlockattr == NULL)
55 pthread_rwlockattr_getpshared (const pthread_rwlockattr_t *rwlockattr,
58 *pshared = (*rwlockattr)->pshared;
64 pthread_rwlockattr_init (pthread_rwlockattr_t *rwlockattr)
66 pthread_rwlockattr_t prwlockattr;
68 if (rwlockattr == NULL)
71 prwlockattr = (pthread_rwlockattr_t)
72 malloc(sizeof(struct pthread_rwlockattr));
74 if (prwlockattr == NULL)
77 prwlockattr->pshared = PTHREAD_PROCESS_PRIVATE;
78 *rwlockattr = prwlockattr;
84 pthread_rwlockattr_setpshared (pthread_rwlockattr_t *rwlockattr,
89 /* only PTHREAD_PROCESS_PRIVATE is supported */
90 if (ps != PTHREAD_PROCESS_PRIVATE)
93 (*rwlockattr)->pshared = ps;
98 #endif /* _THREAD_SAFE */