nptl/pthread_attr_getstack.c

   1 /* Copyright (C) 2002 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <assert.h>
  21 #include "pthreadP.h"
  22
  23
  24 int
  25 __pthread_attr_getstack (attr, stackaddr, stacksize)
  26      const pthread_attr_t *attr;
  27      void **stackaddr;
  28      size_t *stacksize;
  29 {
  30   struct pthread_attr *iattr;
  31
  32   assert (sizeof (*attr) >= sizeof (struct pthread_attr));
  33   iattr = (struct pthread_attr *) attr;
  34
  35   /* Store the result.  */
  36   *stackaddr = (char *) iattr->stackaddr - iattr->stacksize;
  37   *stacksize = iattr->stacksize;
  38
  39   return 0;
  40 }
  41 strong_alias (__pthread_attr_getstack, pthread_attr_getstack)