nptl/pthread_attr_getstackaddr.c

   1 /* Copyright (C) 2002-2016 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <assert.h>
  20 #include <errno.h>
  21 #include "pthreadP.h"
  22
  23
  24 int
  25 __pthread_attr_getstackaddr (const pthread_attr_t *attr, void **stackaddr)
  26 {
  27   struct pthread_attr *iattr;
  28
  29   assert (sizeof (*attr) >= sizeof (struct pthread_attr));
  30   iattr = (struct pthread_attr *) attr;
  31
  32   /* Some code assumes this function to work even if no stack address
  33      has been set.  Let them figure it out for themselves what the
  34      value means.  Simply store the result.  */
  35   *stackaddr = iattr->stackaddr;
  36
  37   return 0;
  38 }
  39 strong_alias (__pthread_attr_getstackaddr, pthread_attr_getstackaddr)
  40
  41 link_warning (pthread_attr_getstackaddr,
  42               "the use of `pthread_attr_getstackaddr' is deprecated, use `pthread_attr_getstack'")