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62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
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* Copyright (C) 2001 Jason Evans <jasone@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(s), this list of conditions and the following disclaimer
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* unmodified other than the allowable addition of one or more
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* copyright notices.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice(s), this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <errno.h>
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#include <pthread.h>
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#include "pthread_private.h"
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__weak_reference(_pthread_attr_setguardsize, pthread_attr_setguardsize);
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int
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_pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
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{
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int ret;
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/* Check for invalid arguments. */
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if (attr == NULL || *attr == NULL)
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ret = EINVAL;
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else {
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/*
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* Round guardsize up to the nearest multiple of
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* _pthread_page_size.
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*/
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if (guardsize % _pthread_page_size != 0)
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guardsize = ((guardsize / _pthread_page_size) + 1) *
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_pthread_page_size;
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/* Save the stack size. */
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(*attr)->guardsize_attr = guardsize;
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ret = 0;
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}
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return(ret);
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}
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