1/*- 2 * Copyright (c) 1998 Alex Nash 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 * 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 24 * SUCH DAMAGE. 25 *
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26 * $FreeBSD: head/lib/libkse/thread/thr_rwlockattr.c 54757 1999-12-18 01:00:42Z jasone $
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26 * $FreeBSD: head/lib/libkse/thread/thr_rwlockattr.c 55838 2000-01-12 09:28:58Z jasone $ |
27 */ 28 29#ifdef _THREAD_SAFE 30#include <errno.h> 31#include <stdlib.h> 32 33#include <pthread.h> 34#include "pthread_private.h" 35 36int
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37pthread_rwlockattr_destroy (pthread_rwlockattr_t *rwlockattr)
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37pthread_rwlockattr_destroy(pthread_rwlockattr_t *rwlockattr) |
38{ 39 pthread_rwlockattr_t prwlockattr; 40 41 if (rwlockattr == NULL) 42 return(EINVAL); 43 44 prwlockattr = *rwlockattr; 45 46 if (prwlockattr == NULL) 47 return(EINVAL); 48 49 free(prwlockattr); 50 51 return(0); 52} 53 54int
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55pthread_rwlockattr_getpshared (const pthread_rwlockattr_t *rwlockattr,
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55pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *rwlockattr, |
56 int *pshared) 57{ 58 *pshared = (*rwlockattr)->pshared; 59 60 return(0); 61} 62 63int
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64pthread_rwlockattr_init (pthread_rwlockattr_t *rwlockattr)
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64pthread_rwlockattr_init(pthread_rwlockattr_t *rwlockattr) |
65{ 66 pthread_rwlockattr_t prwlockattr; 67 68 if (rwlockattr == NULL) 69 return(EINVAL); 70 71 prwlockattr = (pthread_rwlockattr_t) 72 malloc(sizeof(struct pthread_rwlockattr)); 73 74 if (prwlockattr == NULL) 75 return(ENOMEM); 76 77 prwlockattr->pshared = PTHREAD_PROCESS_PRIVATE; 78 *rwlockattr = prwlockattr; 79 80 return(0); 81} 82 83int
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84pthread_rwlockattr_setpshared (pthread_rwlockattr_t *rwlockattr, int pshared)
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84pthread_rwlockattr_setpshared(pthread_rwlockattr_t *rwlockattr, int pshared) |
85{ 86 /* Only PTHREAD_PROCESS_PRIVATE is supported. */ 87 if (pshared != PTHREAD_PROCESS_PRIVATE) 88 return(EINVAL); 89 90 (*rwlockattr)->pshared = pshared; 91 92 return(0); 93} 94 95#endif /* _THREAD_SAFE */
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