about summary refs log tree commit diff
path: root/nptl/pthread_attr_getstacksize.c
blob: 84c31cd6e404bfc1165ade14c825af07ab7e880f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/* Copyright (C) 2002-2013 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 "pthreadP.h"


int
__pthread_attr_getstacksize (attr, stacksize)
     const pthread_attr_t *attr;
     size_t *stacksize;
{
  struct pthread_attr *iattr;

  assert (sizeof (*attr) >= sizeof (struct pthread_attr));
  iattr = (struct pthread_attr *) attr;

  size_t size = iattr->stacksize;

  /* If the user has not set a stack size we return what the system
     will use as the default.  */
  if (size == 0)
    {
      lll_lock (__default_pthread_attr_lock, LLL_PRIVATE);
      size = __default_pthread_attr.stacksize;
      lll_unlock (__default_pthread_attr_lock, LLL_PRIVATE);
    }
  *stacksize = size;

  return 0;
}
strong_alias (__pthread_attr_getstacksize, pthread_attr_getstacksize)