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101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/*-
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* Copyright (c) 1998 Alex Nash
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "namespace.h"
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#include <errno.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include "un-namespace.h"
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#include "thr_private.h"
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__weak_reference(_pthread_rwlockattr_destroy, pthread_rwlockattr_destroy);
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__weak_reference(_pthread_rwlockattr_getpshared, pthread_rwlockattr_getpshared);
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__weak_reference(_pthread_rwlockattr_init, pthread_rwlockattr_init);
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__weak_reference(_pthread_rwlockattr_setpshared, pthread_rwlockattr_setpshared);
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int
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_pthread_rwlockattr_destroy(pthread_rwlockattr_t *rwlockattr)
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{
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pthread_rwlockattr_t prwlockattr;
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if (rwlockattr == NULL)
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return(EINVAL);
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prwlockattr = *rwlockattr;
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if (prwlockattr == NULL)
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return(EINVAL);
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free(prwlockattr);
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return(0);
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}
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int
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_pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *rwlockattr,
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int *pshared)
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{
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*pshared = (*rwlockattr)->pshared;
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return(0);
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}
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int
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_pthread_rwlockattr_init(pthread_rwlockattr_t *rwlockattr)
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{
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pthread_rwlockattr_t prwlockattr;
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if (rwlockattr == NULL)
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return(EINVAL);
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prwlockattr = (pthread_rwlockattr_t)
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malloc(sizeof(struct pthread_rwlockattr));
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if (prwlockattr == NULL)
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return(ENOMEM);
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prwlockattr->pshared = PTHREAD_PROCESS_PRIVATE;
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*rwlockattr = prwlockattr;
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return(0);
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}
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int
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_pthread_rwlockattr_setpshared(pthread_rwlockattr_t *rwlockattr, int pshared)
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{
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/* Only PTHREAD_PROCESS_PRIVATE is supported. */
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if (pshared != PTHREAD_PROCESS_PRIVATE)
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return(EINVAL);
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(*rwlockattr)->pshared = pshared;
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return(0);
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}
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