58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2001 Jason Evans <jasone@freebsd.org>.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice(s), this list of conditions and the following disclaimer
|
||
|
|
* unmodified other than the allowable addition of one or more
|
||
|
|
* copyright notices.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice(s), this list of conditions and the following disclaimer in
|
||
|
|
* the documentation and/or other materials provided with the
|
||
|
|
* distribution.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
|
||
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
|
||
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
||
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
||
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
||
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* $FreeBSD$
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <sys/param.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <pthread.h>
|
||
|
|
#include "pthread_private.h"
|
||
|
|
|
||
|
|
__weak_reference(_pthread_attr_setguardsize, pthread_attr_setguardsize);
|
||
|
|
|
||
|
|
int
|
||
|
|
_pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
/* Check for invalid arguments. */
|
||
|
|
if (attr == NULL || *attr == NULL)
|
||
|
|
ret = EINVAL;
|
||
|
|
else {
|
||
|
|
/* Round guardsize up to the nearest multiple of PAGE_SIZE. */
|
||
|
|
if (guardsize % PAGE_SIZE != 0)
|
||
|
|
guardsize = ((guardsize / PAGE_SIZE) + 1) * PAGE_SIZE;
|
||
|
|
|
||
|
|
/* Save the stack size. */
|
||
|
|
(*attr)->guardsize_attr = guardsize;
|
||
|
|
ret = 0;
|
||
|
|
}
|
||
|
|
return(ret);
|
||
|
|
}
|