618a8b4df0
address instead of specified by pthread_attr_t passed to pthread_create(). Suggested by: deischen
58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
/*
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* Copyright (c) 2002,2003 Alexey Zelkin <phantom@FreeBSD.org>
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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 <errno.h>
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#include <string.h>
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#include <pthread.h>
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#include <pthread_np.h>
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#include "pthread_private.h"
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__weak_reference(_pthread_attr_get_np, pthread_attr_get_np);
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int
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_pthread_attr_get_np(pthread_t pid, pthread_attr_t *dst)
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{
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int ret;
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if (pid == NULL || dst == NULL || *dst == NULL)
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return (EINVAL);
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if ((ret = _find_thread(pid)) != 0)
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return (ret);
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memcpy(*dst, &pid->attr, sizeof(struct pthread_attr));
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/*
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* Special case, if stack address was not provided by caller
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* of pthread_create(), then return address allocated internally
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*/
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if ((*dst)->stackaddr_attr == NULL)
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(*dst)->stackaddr_attr = pid->stack;
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return (0);
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}
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