glibc/nptl/pthread_attr_getstackaddr.c

43 lines
1.5 KiB
C

/* Copyright (C) 2002-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <assert.h>
#include <errno.h>
#include "pthreadP.h"
int
__pthread_attr_getstackaddr (const pthread_attr_t *attr, void **stackaddr)
{
struct pthread_attr *iattr;
assert (sizeof (*attr) >= sizeof (struct pthread_attr));
iattr = (struct pthread_attr *) attr;
/* Some code assumes this function to work even if no stack address
has been set. Let them figure it out for themselves what the
value means. Simply store the result. */
*stackaddr = iattr->stackaddr;
return 0;
}
strong_alias (__pthread_attr_getstackaddr, pthread_attr_getstackaddr)
link_warning (pthread_attr_getstackaddr,
"the use of `pthread_attr_getstackaddr' is deprecated, use `pthread_attr_getstack'")